Home / 268,149.50-402,224.03-68,469.92

Finding the Fourth Proportional to 268,149.50, 402,224.03 and 68,469.92

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Solution

The fourth proportional to 268,149.50, 402,224.03 and 68,469.92 is: 102,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,149.50 : 402,224.03 = 68,469.92 : x
  2. Step 2: Convert to fraction form
    268,149.50/402,224.03 = 68,469.92/x
  3. Step 3: Cross multiply
    268,149.50x = 402,224.03 × 68,469.92
  4. Step 4: Simplify right side
    268,149.50x = 27,540,247,156.18
  5. Step 5: Solve for x
    x = 27,540,247,156.18/268,149.50
  6. Step 6: Final answer
    x = 102,704.82

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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.