Home / 394,055.62-591,166.46-127,795.38

Finding the Fourth Proportional to 394,055.62, 591,166.46 and 127,795.38

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Solution

The fourth proportional to 394,055.62, 591,166.46 and 127,795.38 is: 191,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,055.62 : 591,166.46 = 127,795.38 : x
  2. Step 2: Convert to fraction form
    394,055.62/591,166.46 = 127,795.38/x
  3. Step 3: Cross multiply
    394,055.62x = 591,166.46 × 127,795.38
  4. Step 4: Simplify right side
    394,055.62x = 75,548,342,398.95
  5. Step 5: Solve for x
    x = 75,548,342,398.95/394,055.62
  6. Step 6: Final answer
    x = 191,720.00

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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.