Home / 200,531.90-276,729.62-109,885.92

Finding the Fourth Proportional to 200,531.90, 276,729.62 and 109,885.92

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Solution

The fourth proportional to 200,531.90, 276,729.62 and 109,885.92 is: 151,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,531.90 : 276,729.62 = 109,885.92 : x
  2. Step 2: Convert to fraction form
    200,531.90/276,729.62 = 109,885.92/x
  3. Step 3: Cross multiply
    200,531.90x = 276,729.62 × 109,885.92
  4. Step 4: Simplify right side
    200,531.90x = 30,408,687,297.78
  5. Step 5: Solve for x
    x = 30,408,687,297.78/200,531.90
  6. Step 6: Final answer
    x = 151,640.15

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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.