Answer
US households that owned basic cable (from those with 1+ TVs): 103.351 million
Work Step by Step
We are told that $114.2$ million US households owned 1+ TV sets. We are also told that 90.5% of these received basic cable. To find the number of households with basic cable and at least 1 TV, we multiply:
US households that owned basic cable (from those with 1+ TVs):
$0.905*114.2=103.351$ million