Home / 134,451.20-185,535.61-74,010.04

Finding the Fourth Proportional to 134,451.20, 185,535.61 and 74,010.04

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Solution

The fourth proportional to 134,451.20, 185,535.61 and 74,010.04 is: 102,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.20 : 185,535.61 = 74,010.04 : x
  2. Step 2: Convert to fraction form
    134,451.20/185,535.61 = 74,010.04/x
  3. Step 3: Cross multiply
    134,451.20x = 185,535.61 × 74,010.04
  4. Step 4: Simplify right side
    134,451.20x = 13,731,496,619.80
  5. Step 5: Solve for x
    x = 13,731,496,619.80/134,451.20
  6. Step 6: Final answer
    x = 102,129.97

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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.