Home / 394,362.07-591,306.18-154,189.83

Finding the Fourth Proportional to 394,362.07, 591,306.18 and 154,189.83

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Solution

The fourth proportional to 394,362.07, 591,306.18 and 154,189.83 is: 231,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,362.07 : 591,306.18 = 154,189.83 : x
  2. Step 2: Convert to fraction form
    394,362.07/591,306.18 = 154,189.83/x
  3. Step 3: Cross multiply
    394,362.07x = 591,306.18 × 154,189.83
  4. Step 4: Simplify right side
    394,362.07x = 91,173,397,685.24
  5. Step 5: Solve for x
    x = 91,173,397,685.24/394,362.07
  6. Step 6: Final answer
    x = 231,192.11

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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.