Home / 131,136.68-196,704.86-52,306.27

Finding the Fourth Proportional to 131,136.68, 196,704.86 and 52,306.27

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Solution

The fourth proportional to 131,136.68, 196,704.86 and 52,306.27 is: 78,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,136.68 : 196,704.86 = 52,306.27 : x
  2. Step 2: Convert to fraction form
    131,136.68/196,704.86 = 52,306.27/x
  3. Step 3: Cross multiply
    131,136.68x = 196,704.86 × 52,306.27
  4. Step 4: Simplify right side
    131,136.68x = 10,288,896,764.18
  5. Step 5: Solve for x
    x = 10,288,896,764.18/131,136.68
  6. Step 6: Final answer
    x = 78,459.33

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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.