Home / 220,667.22-331,050.04-80,425.85

Finding the Fourth Proportional to 220,667.22, 331,050.04 and 80,425.85

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Solution

The fourth proportional to 220,667.22, 331,050.04 and 80,425.85 is: 120,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,667.22 : 331,050.04 = 80,425.85 : x
  2. Step 2: Convert to fraction form
    220,667.22/331,050.04 = 80,425.85/x
  3. Step 3: Cross multiply
    220,667.22x = 331,050.04 × 80,425.85
  4. Step 4: Simplify right side
    220,667.22x = 26,624,979,003.22
  5. Step 5: Solve for x
    x = 26,624,979,003.22/220,667.22
  6. Step 6: Final answer
    x = 120,656.70

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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.