Home / 146,736.20-220,190.70-53,229.80

Finding the Fourth Proportional to 146,736.20, 220,190.70 and 53,229.80

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Solution

The fourth proportional to 146,736.20, 220,190.70 and 53,229.80 is: 79,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,736.20 : 220,190.70 = 53,229.80 : x
  2. Step 2: Convert to fraction form
    146,736.20/220,190.70 = 53,229.80/x
  3. Step 3: Cross multiply
    146,736.20x = 220,190.70 × 53,229.80
  4. Step 4: Simplify right side
    146,736.20x = 11,720,706,922.86
  5. Step 5: Solve for x
    x = 11,720,706,922.86/146,736.20
  6. Step 6: Final answer
    x = 79,876.04

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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.