Finding the Fourth Proportional to 182,013.18, 251,104.14 and 120,788.19
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Solution
The fourth proportional to 182,013.18, 251,104.14 and 120,788.19 is: 166,638.56
Step by Step Solution
- Step 1: Write the proportion equation
182,013.18 : 251,104.14 = 120,788.19 : x - Step 2: Convert to fraction form
182,013.18/251,104.14 = 120,788.19/x - Step 3: Cross multiply
182,013.18x = 251,104.14 × 120,788.19 - Step 4: Simplify right side
182,013.18x = 30,330,414,572.11 - Step 5: Solve for x
x = 30,330,414,572.11/182,013.18 - Step 6: Final answer
x = 166,638.56
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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.