Finding the Fourth Proportional to 114,982.26, 172,474.16 and 40,102.13
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Solution
The fourth proportional to 114,982.26, 172,474.16 and 40,102.13 is: 60,153.45
Step by Step Solution
- Step 1: Write the proportion equation
114,982.26 : 172,474.16 = 40,102.13 : x - Step 2: Convert to fraction form
114,982.26/172,474.16 = 40,102.13/x - Step 3: Cross multiply
114,982.26x = 172,474.16 × 40,102.13 - Step 4: Simplify right side
114,982.26x = 6,916,580,123.08 - Step 5: Solve for x
x = 6,916,580,123.08/114,982.26 - Step 6: Final answer
x = 60,153.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.