Home / 165,039.12-227,758.68-89,592.48

Finding the Fourth Proportional to 165,039.12, 227,758.68 and 89,592.48

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Solution

The fourth proportional to 165,039.12, 227,758.68 and 89,592.48 is: 123,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.12 : 227,758.68 = 89,592.48 : x
  2. Step 2: Convert to fraction form
    165,039.12/227,758.68 = 89,592.48/x
  3. Step 3: Cross multiply
    165,039.12x = 227,758.68 × 89,592.48
  4. Step 4: Simplify right side
    165,039.12x = 20,405,464,982.73
  5. Step 5: Solve for x
    x = 20,405,464,982.73/165,039.12
  6. Step 6: Final answer
    x = 123,640.17

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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.