Home / 200,449.18-276,619.96-109,808.43

Finding the Fourth Proportional to 200,449.18, 276,619.96 and 109,808.43

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Solution

The fourth proportional to 200,449.18, 276,619.96 and 109,808.43 is: 151,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,449.18 : 276,619.96 = 109,808.43 : x
  2. Step 2: Convert to fraction form
    200,449.18/276,619.96 = 109,808.43/x
  3. Step 3: Cross multiply
    200,449.18x = 276,619.96 × 109,808.43
  4. Step 4: Simplify right side
    200,449.18x = 30,375,202,614.20
  5. Step 5: Solve for x
    x = 30,375,202,614.20/200,449.18
  6. Step 6: Final answer
    x = 151,535.68

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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.