Home / 197,864.72-273,052.68-107,221.04

Finding the Fourth Proportional to 197,864.72, 273,052.68 and 107,221.04

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Solution

The fourth proportional to 197,864.72, 273,052.68 and 107,221.04 is: 147,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,864.72 : 273,052.68 = 107,221.04 : x
  2. Step 2: Convert to fraction form
    197,864.72/273,052.68 = 107,221.04/x
  3. Step 3: Cross multiply
    197,864.72x = 273,052.68 × 107,221.04
  4. Step 4: Simplify right side
    197,864.72x = 29,276,992,324.39
  5. Step 5: Solve for x
    x = 29,276,992,324.39/197,864.72
  6. Step 6: Final answer
    x = 147,964.69

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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.