Home / 127,249.38-190,876.50-38,502.54

Finding the Fourth Proportional to 127,249.38, 190,876.50 and 38,502.54

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Solution

The fourth proportional to 127,249.38, 190,876.50 and 38,502.54 is: 57,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,249.38 : 190,876.50 = 38,502.54 : x
  2. Step 2: Convert to fraction form
    127,249.38/190,876.50 = 38,502.54/x
  3. Step 3: Cross multiply
    127,249.38x = 190,876.50 × 38,502.54
  4. Step 4: Simplify right side
    127,249.38x = 7,349,230,076.31
  5. Step 5: Solve for x
    x = 7,349,230,076.31/127,249.38
  6. Step 6: Final answer
    x = 57,754.55

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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.