Home / 263,023.20-394,696.80-113,335.20

Finding the Fourth Proportional to 263,023.20, 394,696.80 and 113,335.20

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Solution

The fourth proportional to 263,023.20, 394,696.80 and 113,335.20 is: 170,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,023.20 : 394,696.80 = 113,335.20 : x
  2. Step 2: Convert to fraction form
    263,023.20/394,696.80 = 113,335.20/x
  3. Step 3: Cross multiply
    263,023.20x = 394,696.80 × 113,335.20
  4. Step 4: Simplify right side
    263,023.20x = 44,733,040,767.36
  5. Step 5: Solve for x
    x = 44,733,040,767.36/263,023.20
  6. Step 6: Final answer
    x = 170,072.60

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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.