Home / 396,161.28-594,251.64-129,911.04

Finding the Fourth Proportional to 396,161.28, 594,251.64 and 129,911.04

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Solution

The fourth proportional to 396,161.28, 594,251.64 and 129,911.04 is: 194,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,161.28 : 594,251.64 = 129,911.04 : x
  2. Step 2: Convert to fraction form
    396,161.28/594,251.64 = 129,911.04/x
  3. Step 3: Cross multiply
    396,161.28x = 594,251.64 × 129,911.04
  4. Step 4: Simplify right side
    396,161.28x = 77,199,848,574.11
  5. Step 5: Solve for x
    x = 77,199,848,574.11/396,161.28
  6. Step 6: Final answer
    x = 194,869.75

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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.