Home / 200,519.28-276,704.68-109,857.20

Finding the Fourth Proportional to 200,519.28, 276,704.68 and 109,857.20

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Solution

The fourth proportional to 200,519.28, 276,704.68 and 109,857.20 is: 151,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,519.28 : 276,704.68 = 109,857.20 : x
  2. Step 2: Convert to fraction form
    200,519.28/276,704.68 = 109,857.20/x
  3. Step 3: Cross multiply
    200,519.28x = 276,704.68 × 109,857.20
  4. Step 4: Simplify right side
    200,519.28x = 30,398,001,371.70
  5. Step 5: Solve for x
    x = 30,398,001,371.70/200,519.28
  6. Step 6: Final answer
    x = 151,596.40

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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.