Home / 165,139.35-227,893.46-89,687.85

Finding the Fourth Proportional to 165,139.35, 227,893.46 and 89,687.85

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Solution

The fourth proportional to 165,139.35, 227,893.46 and 89,687.85 is: 123,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,139.35 : 227,893.46 = 89,687.85 : x
  2. Step 2: Convert to fraction form
    165,139.35/227,893.46 = 89,687.85/x
  3. Step 3: Cross multiply
    165,139.35x = 227,893.46 × 89,687.85
  4. Step 4: Simplify right side
    165,139.35x = 20,439,274,456.46
  5. Step 5: Solve for x
    x = 20,439,274,456.46/165,139.35
  6. Step 6: Final answer
    x = 123,769.86

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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.