Home / 129,136.52-193,715.90-35,642.24

Finding the Fourth Proportional to 129,136.52, 193,715.90 and 35,642.24

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Solution

The fourth proportional to 129,136.52, 193,715.90 and 35,642.24 is: 53,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,136.52 : 193,715.90 = 35,642.24 : x
  2. Step 2: Convert to fraction form
    129,136.52/193,715.90 = 35,642.24/x
  3. Step 3: Cross multiply
    129,136.52x = 193,715.90 × 35,642.24
  4. Step 4: Simplify right side
    129,136.52x = 6,904,468,599.62
  5. Step 5: Solve for x
    x = 6,904,468,599.62/129,136.52
  6. Step 6: Final answer
    x = 53,466.43

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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.