Home / 200,517.67-276,714.45-109,872.90

Finding the Fourth Proportional to 200,517.67, 276,714.45 and 109,872.90

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Solution

The fourth proportional to 200,517.67, 276,714.45 and 109,872.90 is: 151,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,517.67 : 276,714.45 = 109,872.90 : x
  2. Step 2: Convert to fraction form
    200,517.67/276,714.45 = 109,872.90/x
  3. Step 3: Cross multiply
    200,517.67x = 276,714.45 × 109,872.90
  4. Step 4: Simplify right side
    200,517.67x = 30,403,419,093.41
  5. Step 5: Solve for x
    x = 30,403,419,093.41/200,517.67
  6. Step 6: Final answer
    x = 151,624.64

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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.