Home / 263,081.30-394,680.38-122,763.38

Finding the Fourth Proportional to 263,081.30, 394,680.38 and 122,763.38

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Solution

The fourth proportional to 263,081.30, 394,680.38 and 122,763.38 is: 184,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,081.30 : 394,680.38 = 122,763.38 : x
  2. Step 2: Convert to fraction form
    263,081.30/394,680.38 = 122,763.38/x
  3. Step 3: Cross multiply
    263,081.30x = 394,680.38 × 122,763.38
  4. Step 4: Simplify right side
    263,081.30x = 48,452,297,841.37
  5. Step 5: Solve for x
    x = 48,452,297,841.37/263,081.30
  6. Step 6: Final answer
    x = 184,172.34

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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.