Home / 135,217.20-202,825.80-60,337.20

Finding the Fourth Proportional to 135,217.20, 202,825.80 and 60,337.20

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Solution

The fourth proportional to 135,217.20, 202,825.80 and 60,337.20 is: 90,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,217.20 : 202,825.80 = 60,337.20 : x
  2. Step 2: Convert to fraction form
    135,217.20/202,825.80 = 60,337.20/x
  3. Step 3: Cross multiply
    135,217.20x = 202,825.80 × 60,337.20
  4. Step 4: Simplify right side
    135,217.20x = 12,237,940,859.76
  5. Step 5: Solve for x
    x = 12,237,940,859.76/135,217.20
  6. Step 6: Final answer
    x = 90,505.80

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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.