Home / 129,136.68-193,723.50-62,522.12

Finding the Fourth Proportional to 129,136.68, 193,723.50 and 62,522.12

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Solution

The fourth proportional to 129,136.68, 193,723.50 and 62,522.12 is: 93,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,136.68 : 193,723.50 = 62,522.12 : x
  2. Step 2: Convert to fraction form
    129,136.68/193,723.50 = 62,522.12/x
  3. Step 3: Cross multiply
    129,136.68x = 193,723.50 × 62,522.12
  4. Step 4: Simplify right side
    129,136.68x = 12,112,003,913.82
  5. Step 5: Solve for x
    x = 12,112,003,913.82/129,136.68
  6. Step 6: Final answer
    x = 93,792.13

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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.