Home / 321,408.27-482,202.68-119,001.33

Finding the Fourth Proportional to 321,408.27, 482,202.68 and 119,001.33

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Solution

The fourth proportional to 321,408.27, 482,202.68 and 119,001.33 is: 178,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,408.27 : 482,202.68 = 119,001.33 : x
  2. Step 2: Convert to fraction form
    321,408.27/482,202.68 = 119,001.33/x
  3. Step 3: Cross multiply
    321,408.27x = 482,202.68 × 119,001.33
  4. Step 4: Simplify right side
    321,408.27x = 57,382,759,654.56
  5. Step 5: Solve for x
    x = 57,382,759,654.56/321,408.27
  6. Step 6: Final answer
    x = 178,535.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.