Home / 203,917.91-281,293.32-189,484.97

Finding the Fourth Proportional to 203,917.91, 281,293.32 and 189,484.97

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Solution

The fourth proportional to 203,917.91, 281,293.32 and 189,484.97 is: 261,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,917.91 : 281,293.32 = 189,484.97 : x
  2. Step 2: Convert to fraction form
    203,917.91/281,293.32 = 189,484.97/x
  3. Step 3: Cross multiply
    203,917.91x = 281,293.32 × 189,484.97
  4. Step 4: Simplify right side
    203,917.91x = 53,300,857,187.78
  5. Step 5: Solve for x
    x = 53,300,857,187.78/203,917.91
  6. Step 6: Final answer
    x = 261,383.90

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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.