Home / 394,363.07-591,307.68-154,190.83

Finding the Fourth Proportional to 394,363.07, 591,307.68 and 154,190.83

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Solution

The fourth proportional to 394,363.07, 591,307.68 and 154,190.83 is: 231,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,363.07 : 591,307.68 = 154,190.83 : x
  2. Step 2: Convert to fraction form
    394,363.07/591,307.68 = 154,190.83/x
  3. Step 3: Cross multiply
    394,363.07x = 591,307.68 × 154,190.83
  4. Step 4: Simplify right side
    394,363.07x = 91,174,221,964.57
  5. Step 5: Solve for x
    x = 91,174,221,964.57/394,363.07
  6. Step 6: Final answer
    x = 231,193.61

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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.