Home / 132,343.68-198,491.04-60,279.60

Finding the Fourth Proportional to 132,343.68, 198,491.04 and 60,279.60

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Solution

The fourth proportional to 132,343.68, 198,491.04 and 60,279.60 is: 90,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343.68 : 198,491.04 = 60,279.60 : x
  2. Step 2: Convert to fraction form
    132,343.68/198,491.04 = 60,279.60/x
  3. Step 3: Cross multiply
    132,343.68x = 198,491.04 × 60,279.60
  4. Step 4: Simplify right side
    132,343.68x = 11,964,960,494.78
  5. Step 5: Solve for x
    x = 11,964,960,494.78/132,343.68
  6. Step 6: Final answer
    x = 90,408.25

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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.