Home / 120,550.29-180,723.33-73,704.75

Finding the Fourth Proportional to 120,550.29, 180,723.33 and 73,704.75

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Solution

The fourth proportional to 120,550.29, 180,723.33 and 73,704.75 is: 110,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.29 : 180,723.33 = 73,704.75 : x
  2. Step 2: Convert to fraction form
    120,550.29/180,723.33 = 73,704.75/x
  3. Step 3: Cross multiply
    120,550.29x = 180,723.33 × 73,704.75
  4. Step 4: Simplify right side
    120,550.29x = 13,320,167,856.82
  5. Step 5: Solve for x
    x = 13,320,167,856.82/120,550.29
  6. Step 6: Final answer
    x = 110,494.70

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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.