Home / 165,198.24-227,972.88-89,747.28

Finding the Fourth Proportional to 165,198.24, 227,972.88 and 89,747.28

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Solution

The fourth proportional to 165,198.24, 227,972.88 and 89,747.28 is: 123,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,198.24 : 227,972.88 = 89,747.28 : x
  2. Step 2: Convert to fraction form
    165,198.24/227,972.88 = 89,747.28/x
  3. Step 3: Cross multiply
    165,198.24x = 227,972.88 × 89,747.28
  4. Step 4: Simplify right side
    165,198.24x = 20,459,945,893.77
  5. Step 5: Solve for x
    x = 20,459,945,893.77/165,198.24
  6. Step 6: Final answer
    x = 123,850.87

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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.