Home / 195,218.62-269,399.78-109,176.64

Finding the Fourth Proportional to 195,218.62, 269,399.78 and 109,176.64

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Solution

The fourth proportional to 195,218.62, 269,399.78 and 109,176.64 is: 150,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,218.62 : 269,399.78 = 109,176.64 : x
  2. Step 2: Convert to fraction form
    195,218.62/269,399.78 = 109,176.64/x
  3. Step 3: Cross multiply
    195,218.62x = 269,399.78 × 109,176.64
  4. Step 4: Simplify right side
    195,218.62x = 29,412,162,797.14
  5. Step 5: Solve for x
    x = 29,412,162,797.14/195,218.62
  6. Step 6: Final answer
    x = 150,662.69

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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.