Home / 227,121.91-313,424.18-126,517.75

Finding the Fourth Proportional to 227,121.91, 313,424.18 and 126,517.75

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Solution

The fourth proportional to 227,121.91, 313,424.18 and 126,517.75 is: 174,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,121.91 : 313,424.18 = 126,517.75 : x
  2. Step 2: Convert to fraction form
    227,121.91/313,424.18 = 126,517.75/x
  3. Step 3: Cross multiply
    227,121.91x = 313,424.18 × 126,517.75
  4. Step 4: Simplify right side
    227,121.91x = 39,653,721,416.61
  5. Step 5: Solve for x
    x = 39,653,721,416.61/227,121.91
  6. Step 6: Final answer
    x = 174,592.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.