Home / 161,306.27-222,601.48-89,685.66

Finding the Fourth Proportional to 161,306.27, 222,601.48 and 89,685.66

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Solution

The fourth proportional to 161,306.27, 222,601.48 and 89,685.66 is: 123,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,306.27 : 222,601.48 = 89,685.66 : x
  2. Step 2: Convert to fraction form
    161,306.27/222,601.48 = 89,685.66/x
  3. Step 3: Cross multiply
    161,306.27x = 222,601.48 × 89,685.66
  4. Step 4: Simplify right side
    161,306.27x = 19,964,160,650.78
  5. Step 5: Solve for x
    x = 19,964,160,650.78/161,306.27
  6. Step 6: Final answer
    x = 123,765.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.