Home / 99,198.57-148,781.43-32,639.52

Finding the Fourth Proportional to 99,198.57, 148,781.43 and 32,639.52

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Solution

The fourth proportional to 99,198.57, 148,781.43 and 32,639.52 is: 48,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,198.57 : 148,781.43 = 32,639.52 : x
  2. Step 2: Convert to fraction form
    99,198.57/148,781.43 = 32,639.52/x
  3. Step 3: Cross multiply
    99,198.57x = 148,781.43 × 32,639.52
  4. Step 4: Simplify right side
    99,198.57x = 4,856,154,460.11
  5. Step 5: Solve for x
    x = 4,856,154,460.11/99,198.57
  6. Step 6: Final answer
    x = 48,953.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.