Home / 317,578.28-476,377.50-159,720.52

Finding the Fourth Proportional to 317,578.28, 476,377.50 and 159,720.52

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Solution

The fourth proportional to 317,578.28, 476,377.50 and 159,720.52 is: 239,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,578.28 : 476,377.50 = 159,720.52 : x
  2. Step 2: Convert to fraction form
    317,578.28/476,377.50 = 159,720.52/x
  3. Step 3: Cross multiply
    317,578.28x = 476,377.50 × 159,720.52
  4. Step 4: Simplify right side
    317,578.28x = 76,087,262,016.30
  5. Step 5: Solve for x
    x = 76,087,262,016.30/317,578.28
  6. Step 6: Final answer
    x = 239,585.85

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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.