Home / 394,054.19-591,164.31-127,793.94

Finding the Fourth Proportional to 394,054.19, 591,164.31 and 127,793.94

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Solution

The fourth proportional to 394,054.19, 591,164.31 and 127,793.94 is: 191,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,054.19 : 591,164.31 = 127,793.94 : x
  2. Step 2: Convert to fraction form
    394,054.19/591,164.31 = 127,793.94/x
  3. Step 3: Cross multiply
    394,054.19x = 591,164.31 × 127,793.94
  4. Step 4: Simplify right side
    394,054.19x = 75,547,217,840.19
  5. Step 5: Solve for x
    x = 75,547,217,840.19/394,054.19
  6. Step 6: Final answer
    x = 191,717.84

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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.