Home / 106,351.20-159,526.08-50,778.72

Finding the Fourth Proportional to 106,351.20, 159,526.08 and 50,778.72

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Solution

The fourth proportional to 106,351.20, 159,526.08 and 50,778.72 is: 76,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,351.20 : 159,526.08 = 50,778.72 : x
  2. Step 2: Convert to fraction form
    106,351.20/159,526.08 = 50,778.72/x
  3. Step 3: Cross multiply
    106,351.20x = 159,526.08 × 50,778.72
  4. Step 4: Simplify right side
    106,351.20x = 8,100,530,149.02
  5. Step 5: Solve for x
    x = 8,100,530,149.02/106,351.20
  6. Step 6: Final answer
    x = 76,167.74

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1.5x scale

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.