Home / 263,081.22-394,680.27-122,763.30

Finding the Fourth Proportional to 263,081.22, 394,680.27 and 122,763.30

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Solution

The fourth proportional to 263,081.22, 394,680.27 and 122,763.30 is: 184,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,081.22 : 394,680.27 = 122,763.30 : x
  2. Step 2: Convert to fraction form
    263,081.22/394,680.27 = 122,763.30/x
  3. Step 3: Cross multiply
    263,081.22x = 394,680.27 × 122,763.30
  4. Step 4: Simplify right side
    263,081.22x = 48,452,252,390.09
  5. Step 5: Solve for x
    x = 48,452,252,390.09/263,081.22
  6. Step 6: Final answer
    x = 184,172.22

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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.