Home / 165,062.88-227,789.28-89,611.38

Finding the Fourth Proportional to 165,062.88, 227,789.28 and 89,611.38

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Solution

The fourth proportional to 165,062.88, 227,789.28 and 89,611.38 is: 123,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,062.88 : 227,789.28 = 89,611.38 : x
  2. Step 2: Convert to fraction form
    165,062.88/227,789.28 = 89,611.38/x
  3. Step 3: Cross multiply
    165,062.88x = 227,789.28 × 89,611.38
  4. Step 4: Simplify right side
    165,062.88x = 20,412,511,730.01
  5. Step 5: Solve for x
    x = 20,412,511,730.01/165,062.88
  6. Step 6: Final answer
    x = 123,665.06

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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.