Home / 266,921.83-368,377.27-159,489.61

Finding the Fourth Proportional to 266,921.83, 368,377.27 and 159,489.61

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Solution

The fourth proportional to 266,921.83, 368,377.27 and 159,489.61 is: 220,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,921.83 : 368,377.27 = 159,489.61 : x
  2. Step 2: Convert to fraction form
    266,921.83/368,377.27 = 159,489.61/x
  3. Step 3: Cross multiply
    266,921.83x = 368,377.27 × 159,489.61
  4. Step 4: Simplify right side
    266,921.83x = 58,752,345,805.50
  5. Step 5: Solve for x
    x = 58,752,345,805.50/266,921.83
  6. Step 6: Final answer
    x = 220,110.68

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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.