Finding the Fourth Proportional to 248,032.80, 342,295.20 and 140,616
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Solution
The fourth proportional to 248,032.80, 342,295.20 and 140,616 is: 194,055.71
Step by Step Solution
- Step 1: Write the proportion equation
248,032.80 : 342,295.20 = 140,616 : x - Step 2: Convert to fraction form
248,032.80/342,295.20 = 140,616/x - Step 3: Cross multiply
248,032.80x = 342,295.20 × 140,616 - Step 4: Simplify right side
248,032.80x = 48,132,181,843.20 - Step 5: Solve for x
x = 48,132,181,843.20/248,032.80 - Step 6: Final answer
x = 194,055.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.