Home / 127,442.44-191,151.28-38,696.70

Finding the Fourth Proportional to 127,442.44, 191,151.28 and 38,696.70

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Solution

The fourth proportional to 127,442.44, 191,151.28 and 38,696.70 is: 58,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,442.44 : 191,151.28 = 38,696.70 : x
  2. Step 2: Convert to fraction form
    127,442.44/191,151.28 = 38,696.70/x
  3. Step 3: Cross multiply
    127,442.44x = 191,151.28 × 38,696.70
  4. Step 4: Simplify right side
    127,442.44x = 7,396,923,736.78
  5. Step 5: Solve for x
    x = 7,396,923,736.78/127,442.44
  6. Step 6: Final answer
    x = 58,041.29

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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.