Finding the Fourth Proportional to 134,561.28, 202,543.68 and 114,265.92
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Solution
The fourth proportional to 134,561.28, 202,543.68 and 114,265.92 is: 171,994.80
Step by Step Solution
- Step 1: Write the proportion equation
134,561.28 : 202,543.68 = 114,265.92 : x - Step 2: Convert to fraction form
134,561.28/202,543.68 = 114,265.92/x - Step 3: Cross multiply
134,561.28x = 202,543.68 × 114,265.92 - Step 4: Simplify right side
134,561.28x = 23,143,839,935.39 - Step 5: Solve for x
x = 23,143,839,935.39/134,561.28 - Step 6: Final answer
x = 171,994.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.