Home / 165,023.15-227,732.38-89,571.65

Finding the Fourth Proportional to 165,023.15, 227,732.38 and 89,571.65

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Solution

The fourth proportional to 165,023.15, 227,732.38 and 89,571.65 is: 123,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,023.15 : 227,732.38 = 89,571.65 : x
  2. Step 2: Convert to fraction form
    165,023.15/227,732.38 = 89,571.65/x
  3. Step 3: Cross multiply
    165,023.15x = 227,732.38 × 89,571.65
  4. Step 4: Simplify right side
    165,023.15x = 20,398,363,672.44
  5. Step 5: Solve for x
    x = 20,398,363,672.44/165,023.15
  6. Step 6: Final answer
    x = 123,609.11

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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.