Home / 263,191.32-394,937.46-111,376.44

Finding the Fourth Proportional to 263,191.32, 394,937.46 and 111,376.44

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Solution

The fourth proportional to 263,191.32, 394,937.46 and 111,376.44 is: 167,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,191.32 : 394,937.46 = 111,376.44 : x
  2. Step 2: Convert to fraction form
    263,191.32/394,937.46 = 111,376.44/x
  3. Step 3: Cross multiply
    263,191.32x = 394,937.46 × 111,376.44
  4. Step 4: Simplify right side
    263,191.32x = 43,986,728,317.44
  5. Step 5: Solve for x
    x = 43,986,728,317.44/263,191.32
  6. Step 6: Final answer
    x = 167,128.34

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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.