Home / 177,828.91-266,815.45-77,936.47

Finding the Fourth Proportional to 177,828.91, 266,815.45 and 77,936.47

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Solution

The fourth proportional to 177,828.91, 266,815.45 and 77,936.47 is: 116,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,828.91 : 266,815.45 = 77,936.47 : x
  2. Step 2: Convert to fraction form
    177,828.91/266,815.45 = 77,936.47/x
  3. Step 3: Cross multiply
    177,828.91x = 266,815.45 × 77,936.47
  4. Step 4: Simplify right side
    177,828.91x = 20,794,654,314.46
  5. Step 5: Solve for x
    x = 20,794,654,314.46/177,828.91
  6. Step 6: Final answer
    x = 116,936.30

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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.