Home / 177,614.76-266,553.62-84,120.78

Finding the Fourth Proportional to 177,614.76, 266,553.62 and 84,120.78

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Solution

The fourth proportional to 177,614.76, 266,553.62 and 84,120.78 is: 126,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,614.76 : 266,553.62 = 84,120.78 : x
  2. Step 2: Convert to fraction form
    177,614.76/266,553.62 = 84,120.78/x
  3. Step 3: Cross multiply
    177,614.76x = 266,553.62 × 84,120.78
  4. Step 4: Simplify right side
    177,614.76x = 22,422,698,426.22
  5. Step 5: Solve for x
    x = 22,422,698,426.22/177,614.76
  6. Step 6: Final answer
    x = 126,243.44

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1.5x scale

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.