Home / 161,081.92-222,034.56-109,382.80

Finding the Fourth Proportional to 161,081.92, 222,034.56 and 109,382.80

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Solution

The fourth proportional to 161,081.92, 222,034.56 and 109,382.80 is: 150,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,081.92 : 222,034.56 = 109,382.80 : x
  2. Step 2: Convert to fraction form
    161,081.92/222,034.56 = 109,382.80/x
  3. Step 3: Cross multiply
    161,081.92x = 222,034.56 × 109,382.80
  4. Step 4: Simplify right side
    161,081.92x = 24,286,761,869.57
  5. Step 5: Solve for x
    x = 24,286,761,869.57/161,081.92
  6. Step 6: Final answer
    x = 150,772.74

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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.