Home / 165,132.36-227,977.12-108,707.76

Finding the Fourth Proportional to 165,132.36, 227,977.12 and 108,707.76

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Solution

The fourth proportional to 165,132.36, 227,977.12 and 108,707.76 is: 150,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,132.36 : 227,977.12 = 108,707.76 : x
  2. Step 2: Convert to fraction form
    165,132.36/227,977.12 = 108,707.76/x
  3. Step 3: Cross multiply
    165,132.36x = 227,977.12 × 108,707.76
  4. Step 4: Simplify right side
    165,132.36x = 24,782,882,046.45
  5. Step 5: Solve for x
    x = 24,782,882,046.45/165,132.36
  6. Step 6: Final answer
    x = 150,078.89

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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.