Home / 146,147.10-219,220.65-40,983.90

Finding the Fourth Proportional to 146,147.10, 219,220.65 and 40,983.90

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Solution

The fourth proportional to 146,147.10, 219,220.65 and 40,983.90 is: 61,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,147.10 : 219,220.65 = 40,983.90 : x
  2. Step 2: Convert to fraction form
    146,147.10/219,220.65 = 40,983.90/x
  3. Step 3: Cross multiply
    146,147.10x = 219,220.65 × 40,983.90
  4. Step 4: Simplify right side
    146,147.10x = 8,984,517,197.54
  5. Step 5: Solve for x
    x = 8,984,517,197.54/146,147.10
  6. Step 6: Final answer
    x = 61,475.85

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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.