Home / 177,719.85-266,579.73-71,151.75

Finding the Fourth Proportional to 177,719.85, 266,579.73 and 71,151.75

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Solution

The fourth proportional to 177,719.85, 266,579.73 and 71,151.75 is: 106,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,719.85 : 266,579.73 = 71,151.75 : x
  2. Step 2: Convert to fraction form
    177,719.85/266,579.73 = 71,151.75/x
  3. Step 3: Cross multiply
    177,719.85x = 266,579.73 × 71,151.75
  4. Step 4: Simplify right side
    177,719.85x = 18,967,614,304.03
  5. Step 5: Solve for x
    x = 18,967,614,304.03/177,719.85
  6. Step 6: Final answer
    x = 106,727.61

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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.