Home / 200,039.28-276,052.68-109,394.88

Finding the Fourth Proportional to 200,039.28, 276,052.68 and 109,394.88

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Solution

The fourth proportional to 200,039.28, 276,052.68 and 109,394.88 is: 150,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,039.28 : 276,052.68 = 109,394.88 : x
  2. Step 2: Convert to fraction form
    200,039.28/276,052.68 = 109,394.88/x
  3. Step 3: Cross multiply
    200,039.28x = 276,052.68 × 109,394.88
  4. Step 4: Simplify right side
    200,039.28x = 30,198,749,802.28
  5. Step 5: Solve for x
    x = 30,198,749,802.28/200,039.28
  6. Step 6: Final answer
    x = 150,964.10

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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.