Home / 394,133.04-591,147.72-109,842.48

Finding the Fourth Proportional to 394,133.04, 591,147.72 and 109,842.48

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Solution

The fourth proportional to 394,133.04, 591,147.72 and 109,842.48 is: 164,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,133.04 : 591,147.72 = 109,842.48 : x
  2. Step 2: Convert to fraction form
    394,133.04/591,147.72 = 109,842.48/x
  3. Step 3: Cross multiply
    394,133.04x = 591,147.72 × 109,842.48
  4. Step 4: Simplify right side
    394,133.04x = 64,933,131,611.15
  5. Step 5: Solve for x
    x = 64,933,131,611.15/394,133.04
  6. Step 6: Final answer
    x = 164,749.27

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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.