Home / 195,358.72-269,595.12-109,318.72

Finding the Fourth Proportional to 195,358.72, 269,595.12 and 109,318.72

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Solution

The fourth proportional to 195,358.72, 269,595.12 and 109,318.72 is: 150,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,358.72 : 269,595.12 = 109,318.72 : x
  2. Step 2: Convert to fraction form
    195,358.72/269,595.12 = 109,318.72/x
  3. Step 3: Cross multiply
    195,358.72x = 269,595.12 × 109,318.72
  4. Step 4: Simplify right side
    195,358.72x = 29,471,793,436.65
  5. Step 5: Solve for x
    x = 29,471,793,436.65/195,358.72
  6. Step 6: Final answer
    x = 150,859.88

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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.