Home / 177,605.28-266,432.40-82,786.68

Finding the Fourth Proportional to 177,605.28, 266,432.40 and 82,786.68

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Solution

The fourth proportional to 177,605.28, 266,432.40 and 82,786.68 is: 124,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,605.28 : 266,432.40 = 82,786.68 : x
  2. Step 2: Convert to fraction form
    177,605.28/266,432.40 = 82,786.68/x
  3. Step 3: Cross multiply
    177,605.28x = 266,432.40 × 82,786.68
  4. Step 4: Simplify right side
    177,605.28x = 22,057,053,840.43
  5. Step 5: Solve for x
    x = 22,057,053,840.43/177,605.28
  6. Step 6: Final answer
    x = 124,191.43

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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.