Home / 127,608.17-191,397.66-34,121.21

Finding the Fourth Proportional to 127,608.17, 191,397.66 and 34,121.21

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Solution

The fourth proportional to 127,608.17, 191,397.66 and 34,121.21 is: 51,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,608.17 : 191,397.66 = 34,121.21 : x
  2. Step 2: Convert to fraction form
    127,608.17/191,397.66 = 34,121.21/x
  3. Step 3: Cross multiply
    127,608.17x = 191,397.66 × 34,121.21
  4. Step 4: Simplify right side
    127,608.17x = 6,530,718,793.38
  5. Step 5: Solve for x
    x = 6,530,718,793.38/127,608.17
  6. Step 6: Final answer
    x = 51,177.91

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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.