Home / 127,844.22-176,507.19-82,542.54

Finding the Fourth Proportional to 127,844.22, 176,507.19 and 82,542.54

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Solution

The fourth proportional to 127,844.22, 176,507.19 and 82,542.54 is: 113,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,844.22 : 176,507.19 = 82,542.54 : x
  2. Step 2: Convert to fraction form
    127,844.22/176,507.19 = 82,542.54/x
  3. Step 3: Cross multiply
    127,844.22x = 176,507.19 × 82,542.54
  4. Step 4: Simplify right side
    127,844.22x = 14,569,351,790.86
  5. Step 5: Solve for x
    x = 14,569,351,790.86/127,844.22
  6. Step 6: Final answer
    x = 113,961.76

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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.