Home / 177,831.91-266,819.96-77,939.47

Finding the Fourth Proportional to 177,831.91, 266,819.96 and 77,939.47

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Solution

The fourth proportional to 177,831.91, 266,819.96 and 77,939.47 is: 116,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,831.91 : 266,819.96 = 77,939.47 : x
  2. Step 2: Convert to fraction form
    177,831.91/266,819.96 = 77,939.47/x
  3. Step 3: Cross multiply
    177,831.91x = 266,819.96 × 77,939.47
  4. Step 4: Simplify right side
    177,831.91x = 20,795,806,267.82
  5. Step 5: Solve for x
    x = 20,795,806,267.82/177,831.91
  6. Step 6: Final answer
    x = 116,940.80

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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.