Home / 317,337.44-476,007.28-80,680.15

Finding the Fourth Proportional to 317,337.44, 476,007.28 and 80,680.15

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Solution

The fourth proportional to 317,337.44, 476,007.28 and 80,680.15 is: 121,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,337.44 : 476,007.28 = 80,680.15 : x
  2. Step 2: Convert to fraction form
    317,337.44/476,007.28 = 80,680.15/x
  3. Step 3: Cross multiply
    317,337.44x = 476,007.28 × 80,680.15
  4. Step 4: Simplify right side
    317,337.44x = 38,404,338,751.49
  5. Step 5: Solve for x
    x = 38,404,338,751.49/317,337.44
  6. Step 6: Final answer
    x = 121,020.51

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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.