Home / 106,190.91-146,540.67-57,793.80

Finding the Fourth Proportional to 106,190.91, 146,540.67 and 57,793.80

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Solution

The fourth proportional to 106,190.91, 146,540.67 and 57,793.80 is: 79,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,190.91 : 146,540.67 = 57,793.80 : x
  2. Step 2: Convert to fraction form
    106,190.91/146,540.67 = 57,793.80/x
  3. Step 3: Cross multiply
    106,190.91x = 146,540.67 × 57,793.80
  4. Step 4: Simplify right side
    106,190.91x = 8,469,142,173.85
  5. Step 5: Solve for x
    x = 8,469,142,173.85/106,190.91
  6. Step 6: Final answer
    x = 79,753.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.