Home / 134,757.43-185,966.13-74,329.71

Finding the Fourth Proportional to 134,757.43, 185,966.13 and 74,329.71

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Solution

The fourth proportional to 134,757.43, 185,966.13 and 74,329.71 is: 102,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,757.43 : 185,966.13 = 74,329.71 : x
  2. Step 2: Convert to fraction form
    134,757.43/185,966.13 = 74,329.71/x
  3. Step 3: Cross multiply
    134,757.43x = 185,966.13 × 74,329.71
  4. Step 4: Simplify right side
    134,757.43x = 13,822,808,512.72
  5. Step 5: Solve for x
    x = 13,822,808,512.72/134,757.43
  6. Step 6: Final answer
    x = 102,575.48

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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.