Home / 263,299.32-394,591.20-111,370.20

Finding the Fourth Proportional to 263,299.32, 394,591.20 and 111,370.20

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Solution

The fourth proportional to 263,299.32, 394,591.20 and 111,370.20 is: 166,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,299.32 : 394,591.20 = 111,370.20 : x
  2. Step 2: Convert to fraction form
    263,299.32/394,591.20 = 111,370.20/x
  3. Step 3: Cross multiply
    263,299.32x = 394,591.20 × 111,370.20
  4. Step 4: Simplify right side
    263,299.32x = 43,945,700,862.24
  5. Step 5: Solve for x
    x = 43,945,700,862.24/263,299.32
  6. Step 6: Final answer
    x = 166,903.97

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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.