Home / 110,139.68-165,115.92-43,626.62

Finding the Fourth Proportional to 110,139.68, 165,115.92 and 43,626.62

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Solution

The fourth proportional to 110,139.68, 165,115.92 and 43,626.62 is: 65,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,139.68 : 165,115.92 = 43,626.62 : x
  2. Step 2: Convert to fraction form
    110,139.68/165,115.92 = 43,626.62/x
  3. Step 3: Cross multiply
    110,139.68x = 165,115.92 × 43,626.62
  4. Step 4: Simplify right side
    110,139.68x = 7,203,449,497.79
  5. Step 5: Solve for x
    x = 7,203,449,497.79/110,139.68
  6. Step 6: Final answer
    x = 65,402.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.