Home / 263,141.20-394,517.40-113,258.80

Finding the Fourth Proportional to 263,141.20, 394,517.40 and 113,258.80

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Solution

The fourth proportional to 263,141.20, 394,517.40 and 113,258.80 is: 169,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,141.20 : 394,517.40 = 113,258.80 : x
  2. Step 2: Convert to fraction form
    263,141.20/394,517.40 = 113,258.80/x
  3. Step 3: Cross multiply
    263,141.20x = 394,517.40 × 113,258.80
  4. Step 4: Simplify right side
    263,141.20x = 44,682,567,303.12
  5. Step 5: Solve for x
    x = 44,682,567,303.12/263,141.20
  6. Step 6: Final answer
    x = 169,804.53

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1.5x scale

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.