Home / 240,769.39-332,249.91-131,874.21

Finding the Fourth Proportional to 240,769.39, 332,249.91 and 131,874.21

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Solution

The fourth proportional to 240,769.39, 332,249.91 and 131,874.21 is: 181,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,769.39 : 332,249.91 = 131,874.21 : x
  2. Step 2: Convert to fraction form
    240,769.39/332,249.91 = 131,874.21/x
  3. Step 3: Cross multiply
    240,769.39x = 332,249.91 × 131,874.21
  4. Step 4: Simplify right side
    240,769.39x = 43,815,192,984.17
  5. Step 5: Solve for x
    x = 43,815,192,984.17/240,769.39
  6. Step 6: Final answer
    x = 181,979.91

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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.