Home / 386,757.12-580,121.04-106,267.04

Finding the Fourth Proportional to 386,757.12, 580,121.04 and 106,267.04

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Solution

The fourth proportional to 386,757.12, 580,121.04 and 106,267.04 is: 159,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,757.12 : 580,121.04 = 106,267.04 : x
  2. Step 2: Convert to fraction form
    386,757.12/580,121.04 = 106,267.04/x
  3. Step 3: Cross multiply
    386,757.12x = 580,121.04 × 106,267.04
  4. Step 4: Simplify right side
    386,757.12x = 61,647,745,762.52
  5. Step 5: Solve for x
    x = 61,647,745,762.52/386,757.12
  6. Step 6: Final answer
    x = 159,396.54

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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.