Home / 165,198.07-227,974.94-89,747.11

Finding the Fourth Proportional to 165,198.07, 227,974.94 and 89,747.11

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Solution

The fourth proportional to 165,198.07, 227,974.94 and 89,747.11 is: 123,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,198.07 : 227,974.94 = 89,747.11 : x
  2. Step 2: Convert to fraction form
    165,198.07/227,974.94 = 89,747.11/x
  3. Step 3: Cross multiply
    165,198.07x = 227,974.94 × 89,747.11
  4. Step 4: Simplify right side
    165,198.07x = 20,460,092,017.42
  5. Step 5: Solve for x
    x = 20,460,092,017.42/165,198.07
  6. Step 6: Final answer
    x = 123,851.88

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1.5x scale

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.