Home / 126,031.76-188,736.38-93,933.88

Finding the Fourth Proportional to 126,031.76, 188,736.38 and 93,933.88

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Solution

The fourth proportional to 126,031.76, 188,736.38 and 93,933.88 is: 140,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,031.76 : 188,736.38 = 93,933.88 : x
  2. Step 2: Convert to fraction form
    126,031.76/188,736.38 = 93,933.88/x
  3. Step 3: Cross multiply
    126,031.76x = 188,736.38 × 93,933.88
  4. Step 4: Simplify right side
    126,031.76x = 17,728,740,470.55
  5. Step 5: Solve for x
    x = 17,728,740,470.55/126,031.76
  6. Step 6: Final answer
    x = 140,668.83

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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.