Home / 147,823.92-203,997.96-80,755.92

Finding the Fourth Proportional to 147,823.92, 203,997.96 and 80,755.92

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Solution

The fourth proportional to 147,823.92, 203,997.96 and 80,755.92 is: 111,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,823.92 : 203,997.96 = 80,755.92 : x
  2. Step 2: Convert to fraction form
    147,823.92/203,997.96 = 80,755.92/x
  3. Step 3: Cross multiply
    147,823.92x = 203,997.96 × 80,755.92
  4. Step 4: Simplify right side
    147,823.92x = 16,474,042,937.92
  5. Step 5: Solve for x
    x = 16,474,042,937.92/147,823.92
  6. Step 6: Final answer
    x = 111,443.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.