Home / 109,949.16-164,644.62-92,132.97

Finding the Fourth Proportional to 109,949.16, 164,644.62 and 92,132.97

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Solution

The fourth proportional to 109,949.16, 164,644.62 and 92,132.97 is: 137,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.16 : 164,644.62 = 92,132.97 : x
  2. Step 2: Convert to fraction form
    109,949.16/164,644.62 = 92,132.97/x
  3. Step 3: Cross multiply
    109,949.16x = 164,644.62 × 92,132.97
  4. Step 4: Simplify right side
    109,949.16x = 15,169,197,835.12
  5. Step 5: Solve for x
    x = 15,169,197,835.12/109,949.16
  6. Step 6: Final answer
    x = 137,965.56

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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.