Home / 99,288.62-148,974.45-43,175.92

Finding the Fourth Proportional to 99,288.62, 148,974.45 and 43,175.92

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Solution

The fourth proportional to 99,288.62, 148,974.45 and 43,175.92 is: 64,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288.62 : 148,974.45 = 43,175.92 : x
  2. Step 2: Convert to fraction form
    99,288.62/148,974.45 = 43,175.92/x
  3. Step 3: Cross multiply
    99,288.62x = 148,974.45 × 43,175.92
  4. Step 4: Simplify right side
    99,288.62x = 6,432,108,935.24
  5. Step 5: Solve for x
    x = 6,432,108,935.24/99,288.62
  6. Step 6: Final answer
    x = 64,781.94

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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.