Home / 393,977.96-591,025.24-144,640.52

Finding the Fourth Proportional to 393,977.96, 591,025.24 and 144,640.52

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Solution

The fourth proportional to 393,977.96, 591,025.24 and 144,640.52 is: 216,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,977.96 : 591,025.24 = 144,640.52 : x
  2. Step 2: Convert to fraction form
    393,977.96/591,025.24 = 144,640.52/x
  3. Step 3: Cross multiply
    393,977.96x = 591,025.24 × 144,640.52
  4. Step 4: Simplify right side
    393,977.96x = 85,486,198,046.72
  5. Step 5: Solve for x
    x = 85,486,198,046.72/393,977.96
  6. Step 6: Final answer
    x = 216,982.18

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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.