Home / 394,103.03-591,237.58-127,842.76

Finding the Fourth Proportional to 394,103.03, 591,237.58 and 127,842.76

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Solution

The fourth proportional to 394,103.03, 591,237.58 and 127,842.76 is: 191,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,103.03 : 591,237.58 = 127,842.76 : x
  2. Step 2: Convert to fraction form
    394,103.03/591,237.58 = 127,842.76/x
  3. Step 3: Cross multiply
    394,103.03x = 591,237.58 × 127,842.76
  4. Step 4: Simplify right side
    394,103.03x = 75,585,442,245.22
  5. Step 5: Solve for x
    x = 75,585,442,245.22/394,103.03
  6. Step 6: Final answer
    x = 191,791.07

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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.