Home / 146,936.38-220,404.81-40,321.80

Finding the Fourth Proportional to 146,936.38, 220,404.81 and 40,321.80

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Solution

The fourth proportional to 146,936.38, 220,404.81 and 40,321.80 is: 60,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,936.38 : 220,404.81 = 40,321.80 : x
  2. Step 2: Convert to fraction form
    146,936.38/220,404.81 = 40,321.80/x
  3. Step 3: Cross multiply
    146,936.38x = 220,404.81 × 40,321.80
  4. Step 4: Simplify right side
    146,936.38x = 8,887,118,372.57
  5. Step 5: Solve for x
    x = 8,887,118,372.57/146,936.38
  6. Step 6: Final answer
    x = 60,482.76

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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.