Home / 146,936.20-220,490.70-53,429.80

Finding the Fourth Proportional to 146,936.20, 220,490.70 and 53,429.80

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Solution

The fourth proportional to 146,936.20, 220,490.70 and 53,429.80 is: 80,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,936.20 : 220,490.70 = 53,429.80 : x
  2. Step 2: Convert to fraction form
    146,936.20/220,490.70 = 53,429.80/x
  3. Step 3: Cross multiply
    146,936.20x = 220,490.70 × 53,429.80
  4. Step 4: Simplify right side
    146,936.20x = 11,780,774,002.86
  5. Step 5: Solve for x
    x = 11,780,774,002.86/146,936.20
  6. Step 6: Final answer
    x = 80,176.12

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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.