Home / 394,055.69-591,166.56-127,795.44

Finding the Fourth Proportional to 394,055.69, 591,166.56 and 127,795.44

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Solution

The fourth proportional to 394,055.69, 591,166.56 and 127,795.44 is: 191,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,055.69 : 591,166.56 = 127,795.44 : x
  2. Step 2: Convert to fraction form
    394,055.69/591,166.56 = 127,795.44/x
  3. Step 3: Cross multiply
    394,055.69x = 591,166.56 × 127,795.44
  4. Step 4: Simplify right side
    394,055.69x = 75,548,390,648.49
  5. Step 5: Solve for x
    x = 75,548,390,648.49/394,055.69
  6. Step 6: Final answer
    x = 191,720.09

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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.