Home / 177,470.92-266,132.94-72,218.44

Finding the Fourth Proportional to 177,470.92, 266,132.94 and 72,218.44

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Solution

The fourth proportional to 177,470.92, 266,132.94 and 72,218.44 is: 108,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,470.92 : 266,132.94 = 72,218.44 : x
  2. Step 2: Convert to fraction form
    177,470.92/266,132.94 = 72,218.44/x
  3. Step 3: Cross multiply
    177,470.92x = 266,132.94 × 72,218.44
  4. Step 4: Simplify right side
    177,470.92x = 19,219,705,759.41
  5. Step 5: Solve for x
    x = 19,219,705,759.41/177,470.92
  6. Step 6: Final answer
    x = 108,297.77

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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.