Home / 165,039.12-227,754.60-89,587.68

Finding the Fourth Proportional to 165,039.12, 227,754.60 and 89,587.68

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Solution

The fourth proportional to 165,039.12, 227,754.60 and 89,587.68 is: 123,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.12 : 227,754.60 = 89,587.68 : x
  2. Step 2: Convert to fraction form
    165,039.12/227,754.60 = 89,587.68/x
  3. Step 3: Cross multiply
    165,039.12x = 227,754.60 × 89,587.68
  4. Step 4: Simplify right side
    165,039.12x = 20,404,006,223.33
  5. Step 5: Solve for x
    x = 20,404,006,223.33/165,039.12
  6. Step 6: Final answer
    x = 123,631.33

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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.