Finding the Fourth Proportional to 271,604.26, 374,847.10 and 156,882.80
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Solution
The fourth proportional to 271,604.26, 374,847.10 and 156,882.80 is: 216,517.45
Step by Step Solution
- Step 1: Write the proportion equation
271,604.26 : 374,847.10 = 156,882.80 : x - Step 2: Convert to fraction form
271,604.26/374,847.10 = 156,882.80/x - Step 3: Cross multiply
271,604.26x = 374,847.10 × 156,882.80 - Step 4: Simplify right side
271,604.26x = 58,807,062,619.88 - Step 5: Solve for x
x = 58,807,062,619.88/271,604.26 - Step 6: Final answer
x = 216,517.45
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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.