Finding the Fourth Proportional to 132,391.08, 182,654.76 and 75,024.24
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Solution
The fourth proportional to 132,391.08, 182,654.76 and 75,024.24 is: 103,507.99
Step by Step Solution
- Step 1: Write the proportion equation
132,391.08 : 182,654.76 = 75,024.24 : x - Step 2: Convert to fraction form
132,391.08/182,654.76 = 75,024.24/x - Step 3: Cross multiply
132,391.08x = 182,654.76 × 75,024.24 - Step 4: Simplify right side
132,391.08x = 13,703,534,551.38 - Step 5: Solve for x
x = 13,703,534,551.38/132,391.08 - Step 6: Final answer
x = 103,507.99
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1.5x scale
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.