Home / 263,151.89-394,758.68-92,321.37

Finding the Fourth Proportional to 263,151.89, 394,758.68 and 92,321.37

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Solution

The fourth proportional to 263,151.89, 394,758.68 and 92,321.37 is: 138,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,151.89 : 394,758.68 = 92,321.37 : x
  2. Step 2: Convert to fraction form
    263,151.89/394,758.68 = 92,321.37/x
  3. Step 3: Cross multiply
    263,151.89x = 394,758.68 × 92,321.37
  4. Step 4: Simplify right side
    263,151.89x = 36,444,661,695.38
  5. Step 5: Solve for x
    x = 36,444,661,695.38/263,151.89
  6. Step 6: Final answer
    x = 138,492.88

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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.