Home / 177,845.10-266,471.45-125,143.86

Finding the Fourth Proportional to 177,845.10, 266,471.45 and 125,143.86

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Solution

The fourth proportional to 177,845.10, 266,471.45 and 125,143.86 is: 187,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,845.10 : 266,471.45 = 125,143.86 : x
  2. Step 2: Convert to fraction form
    177,845.10/266,471.45 = 125,143.86/x
  3. Step 3: Cross multiply
    177,845.10x = 266,471.45 × 125,143.86
  4. Step 4: Simplify right side
    177,845.10x = 33,347,265,207.08
  5. Step 5: Solve for x
    x = 33,347,265,207.08/177,845.10
  6. Step 6: Final answer
    x = 187,507.36

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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.