Home / 127,496.38-191,266.44-38,758.72

Finding the Fourth Proportional to 127,496.38, 191,266.44 and 38,758.72

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Solution

The fourth proportional to 127,496.38, 191,266.44 and 38,758.72 is: 58,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,496.38 : 191,266.44 = 38,758.72 : x
  2. Step 2: Convert to fraction form
    127,496.38/191,266.44 = 38,758.72/x
  3. Step 3: Cross multiply
    127,496.38x = 191,266.44 × 38,758.72
  4. Step 4: Simplify right side
    127,496.38x = 7,413,242,393.36
  5. Step 5: Solve for x
    x = 7,413,242,393.36/127,496.38
  6. Step 6: Final answer
    x = 58,144.73

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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.