Finding the Fourth Proportional to 136,170.20, 187,950.84 and 95,895.92
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Solution
The fourth proportional to 136,170.20, 187,950.84 and 95,895.92 is: 132,361.70
Step by Step Solution
- Step 1: Write the proportion equation
136,170.20 : 187,950.84 = 95,895.92 : x - Step 2: Convert to fraction form
136,170.20/187,950.84 = 95,895.92/x - Step 3: Cross multiply
136,170.20x = 187,950.84 × 95,895.92 - Step 4: Simplify right side
136,170.20x = 18,023,718,716.57 - Step 5: Solve for x
x = 18,023,718,716.57/136,170.20 - Step 6: Final answer
x = 132,361.70
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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.