Home / 200,331.60-276,449.05-109,685.92

Finding the Fourth Proportional to 200,331.60, 276,449.05 and 109,685.92

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Solution

The fourth proportional to 200,331.60, 276,449.05 and 109,685.92 is: 151,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,331.60 : 276,449.05 = 109,685.92 : x
  2. Step 2: Convert to fraction form
    200,331.60/276,449.05 = 109,685.92/x
  3. Step 3: Cross multiply
    200,331.60x = 276,449.05 × 109,685.92
  4. Step 4: Simplify right side
    200,331.60x = 30,322,568,382.38
  5. Step 5: Solve for x
    x = 30,322,568,382.38/200,331.60
  6. Step 6: Final answer
    x = 151,361.88

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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.