Home / 134,680.90-185,856.21-74,250.13

Finding the Fourth Proportional to 134,680.90, 185,856.21 and 74,250.13

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Solution

The fourth proportional to 134,680.90, 185,856.21 and 74,250.13 is: 102,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.90 : 185,856.21 = 74,250.13 : x
  2. Step 2: Convert to fraction form
    134,680.90/185,856.21 = 74,250.13/x
  3. Step 3: Cross multiply
    134,680.90x = 185,856.21 × 74,250.13
  4. Step 4: Simplify right side
    134,680.90x = 13,799,847,753.81
  5. Step 5: Solve for x
    x = 13,799,847,753.81/134,680.90
  6. Step 6: Final answer
    x = 102,463.29

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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.