Home / 124,850.20-187,275.30-82,859.80

Finding the Fourth Proportional to 124,850.20, 187,275.30 and 82,859.80

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Solution

The fourth proportional to 124,850.20, 187,275.30 and 82,859.80 is: 124,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,850.20 : 187,275.30 = 82,859.80 : x
  2. Step 2: Convert to fraction form
    124,850.20/187,275.30 = 82,859.80/x
  3. Step 3: Cross multiply
    124,850.20x = 187,275.30 × 82,859.80
  4. Step 4: Simplify right side
    124,850.20x = 15,517,593,902.94
  5. Step 5: Solve for x
    x = 15,517,593,902.94/124,850.20
  6. Step 6: Final answer
    x = 124,289.70

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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.