Home / 323,982.38-485,977.89-113,626.46

Finding the Fourth Proportional to 323,982.38, 485,977.89 and 113,626.46

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Solution

The fourth proportional to 323,982.38, 485,977.89 and 113,626.46 is: 170,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,982.38 : 485,977.89 = 113,626.46 : x
  2. Step 2: Convert to fraction form
    323,982.38/485,977.89 = 113,626.46/x
  3. Step 3: Cross multiply
    323,982.38x = 485,977.89 × 113,626.46
  4. Step 4: Simplify right side
    323,982.38x = 55,219,947,278.97
  5. Step 5: Solve for x
    x = 55,219,947,278.97/323,982.38
  6. Step 6: Final answer
    x = 170,441.21

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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.