Home / 127,930.38-191,896.08-39,183.54

Finding the Fourth Proportional to 127,930.38, 191,896.08 and 39,183.54

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Solution

The fourth proportional to 127,930.38, 191,896.08 and 39,183.54 is: 58,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.38 : 191,896.08 = 39,183.54 : x
  2. Step 2: Convert to fraction form
    127,930.38/191,896.08 = 39,183.54/x
  3. Step 3: Cross multiply
    127,930.38x = 191,896.08 × 39,183.54
  4. Step 4: Simplify right side
    127,930.38x = 7,519,167,726.52
  5. Step 5: Solve for x
    x = 7,519,167,726.52/127,930.38
  6. Step 6: Final answer
    x = 58,775.47

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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.