Home / 106,426.20-159,420.60-73,183.80

Finding the Fourth Proportional to 106,426.20, 159,420.60 and 73,183.80

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Solution

The fourth proportional to 106,426.20, 159,420.60 and 73,183.80 is: 109,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.20 : 159,420.60 = 73,183.80 : x
  2. Step 2: Convert to fraction form
    106,426.20/159,420.60 = 73,183.80/x
  3. Step 3: Cross multiply
    106,426.20x = 159,420.60 × 73,183.80
  4. Step 4: Simplify right side
    106,426.20x = 11,667,005,306.28
  5. Step 5: Solve for x
    x = 11,667,005,306.28/106,426.20
  6. Step 6: Final answer
    x = 109,625.31

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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.