Home / 179,195.73-247,306.68-98,639.61

Finding the Fourth Proportional to 179,195.73, 247,306.68 and 98,639.61

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Solution

The fourth proportional to 179,195.73, 247,306.68 and 98,639.61 is: 136,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,195.73 : 247,306.68 = 98,639.61 : x
  2. Step 2: Convert to fraction form
    179,195.73/247,306.68 = 98,639.61/x
  3. Step 3: Cross multiply
    179,195.73x = 247,306.68 × 98,639.61
  4. Step 4: Simplify right side
    179,195.73x = 24,394,234,465.59
  5. Step 5: Solve for x
    x = 24,394,234,465.59/179,195.73
  6. Step 6: Final answer
    x = 136,131.78

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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.