Home / 124,964.20-187,470.60-36,220.60

Finding the Fourth Proportional to 124,964.20, 187,470.60 and 36,220.60

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Solution

The fourth proportional to 124,964.20, 187,470.60 and 36,220.60 is: 54,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,964.20 : 187,470.60 = 36,220.60 : x
  2. Step 2: Convert to fraction form
    124,964.20/187,470.60 = 36,220.60/x
  3. Step 3: Cross multiply
    124,964.20x = 187,470.60 × 36,220.60
  4. Step 4: Simplify right side
    124,964.20x = 6,790,297,614.36
  5. Step 5: Solve for x
    x = 6,790,297,614.36/124,964.20
  6. Step 6: Final answer
    x = 54,337.94

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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.