Home / 482,937.30-724,373.55-127,943.70

Finding the Fourth Proportional to 482,937.30, 724,373.55 and 127,943.70

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Solution

The fourth proportional to 482,937.30, 724,373.55 and 127,943.70 is: 191,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,937.30 : 724,373.55 = 127,943.70 : x
  2. Step 2: Convert to fraction form
    482,937.30/724,373.55 = 127,943.70/x
  3. Step 3: Cross multiply
    482,937.30x = 724,373.55 × 127,943.70
  4. Step 4: Simplify right side
    482,937.30x = 92,679,032,169.14
  5. Step 5: Solve for x
    x = 92,679,032,169.14/482,937.30
  6. Step 6: Final answer
    x = 191,906.97

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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.