Home / 263,248.20-394,921.49-105,488.96

Finding the Fourth Proportional to 263,248.20, 394,921.49 and 105,488.96

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Solution

The fourth proportional to 263,248.20, 394,921.49 and 105,488.96 is: 158,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,248.20 : 394,921.49 = 105,488.96 : x
  2. Step 2: Convert to fraction form
    263,248.20/394,921.49 = 105,488.96/x
  3. Step 3: Cross multiply
    263,248.20x = 394,921.49 × 105,488.96
  4. Step 4: Simplify right side
    263,248.20x = 41,659,854,759.70
  5. Step 5: Solve for x
    x = 41,659,854,759.70/263,248.20
  6. Step 6: Final answer
    x = 158,253.14

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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.