Home / 129,192.03-193,704.68-61,687.53

Finding the Fourth Proportional to 129,192.03, 193,704.68 and 61,687.53

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Solution

The fourth proportional to 129,192.03, 193,704.68 and 61,687.53 is: 92,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,192.03 : 193,704.68 = 61,687.53 : x
  2. Step 2: Convert to fraction form
    129,192.03/193,704.68 = 61,687.53/x
  3. Step 3: Cross multiply
    129,192.03x = 193,704.68 × 61,687.53
  4. Step 4: Simplify right side
    129,192.03x = 11,949,163,412.86
  5. Step 5: Solve for x
    x = 11,949,163,412.86/129,192.03
  6. Step 6: Final answer
    x = 92,491.49

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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.