Home / 226,383.12-339,574.68-108,138.24

Finding the Fourth Proportional to 226,383.12, 339,574.68 and 108,138.24

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Solution

The fourth proportional to 226,383.12, 339,574.68 and 108,138.24 is: 162,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,383.12 : 339,574.68 = 108,138.24 : x
  2. Step 2: Convert to fraction form
    226,383.12/339,574.68 = 108,138.24/x
  3. Step 3: Cross multiply
    226,383.12x = 339,574.68 × 108,138.24
  4. Step 4: Simplify right side
    226,383.12x = 36,721,008,243.76
  5. Step 5: Solve for x
    x = 36,721,008,243.76/226,383.12
  6. Step 6: Final answer
    x = 162,207.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.