Home / 394,055.44-591,166.19-127,795.19

Finding the Fourth Proportional to 394,055.44, 591,166.19 and 127,795.19

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Solution

The fourth proportional to 394,055.44, 591,166.19 and 127,795.19 is: 191,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,055.44 : 591,166.19 = 127,795.19 : x
  2. Step 2: Convert to fraction form
    394,055.44/591,166.19 = 127,795.19/x
  3. Step 3: Cross multiply
    394,055.44x = 591,166.19 × 127,795.19
  4. Step 4: Simplify right side
    394,055.44x = 75,548,195,572.63
  5. Step 5: Solve for x
    x = 75,548,195,572.63/394,055.44
  6. Step 6: Final answer
    x = 191,719.71

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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.