Home / 323,949.13-485,928.02-113,593.21

Finding the Fourth Proportional to 323,949.13, 485,928.02 and 113,593.21

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Solution

The fourth proportional to 323,949.13, 485,928.02 and 113,593.21 is: 170,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,949.13 : 485,928.02 = 113,593.21 : x
  2. Step 2: Convert to fraction form
    323,949.13/485,928.02 = 113,593.21/x
  3. Step 3: Cross multiply
    323,949.13x = 485,928.02 × 113,593.21
  4. Step 4: Simplify right side
    323,949.13x = 55,198,123,052.78
  5. Step 5: Solve for x
    x = 55,198,123,052.78/323,949.13
  6. Step 6: Final answer
    x = 170,391.33

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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.