Home / 394,197.23-591,334.55-106,005.30

Finding the Fourth Proportional to 394,197.23, 591,334.55 and 106,005.30

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Solution

The fourth proportional to 394,197.23, 591,334.55 and 106,005.30 is: 159,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,197.23 : 591,334.55 = 106,005.30 : x
  2. Step 2: Convert to fraction form
    394,197.23/591,334.55 = 106,005.30/x
  3. Step 3: Cross multiply
    394,197.23x = 591,334.55 × 106,005.30
  4. Step 4: Simplify right side
    394,197.23x = 62,684,595,843.09
  5. Step 5: Solve for x
    x = 62,684,595,843.09/394,197.23
  6. Step 6: Final answer
    x = 159,018.36

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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.