Home / 134,680.29-185,859.27-74,249.61

Finding the Fourth Proportional to 134,680.29, 185,859.27 and 74,249.61

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Solution

The fourth proportional to 134,680.29, 185,859.27 and 74,249.61 is: 102,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.29 : 185,859.27 = 74,249.61 : x
  2. Step 2: Convert to fraction form
    134,680.29/185,859.27 = 74,249.61/x
  3. Step 3: Cross multiply
    134,680.29x = 185,859.27 × 74,249.61
  4. Step 4: Simplify right side
    134,680.29x = 13,799,978,312.38
  5. Step 5: Solve for x
    x = 13,799,978,312.38/134,680.29
  6. Step 6: Final answer
    x = 102,464.72

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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.