Home / 177,616.76-266,556.62-84,122.78

Finding the Fourth Proportional to 177,616.76, 266,556.62 and 84,122.78

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Solution

The fourth proportional to 177,616.76, 266,556.62 and 84,122.78 is: 126,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,616.76 : 266,556.62 = 84,122.78 : x
  2. Step 2: Convert to fraction form
    177,616.76/266,556.62 = 84,122.78/x
  3. Step 3: Cross multiply
    177,616.76x = 266,556.62 × 84,122.78
  4. Step 4: Simplify right side
    177,616.76x = 22,423,483,901.80
  5. Step 5: Solve for x
    x = 22,423,483,901.80/177,616.76
  6. Step 6: Final answer
    x = 126,246.44

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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.