Home / 122,976.20-184,464.30-73,209.80

Finding the Fourth Proportional to 122,976.20, 184,464.30 and 73,209.80

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Solution

The fourth proportional to 122,976.20, 184,464.30 and 73,209.80 is: 109,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976.20 : 184,464.30 = 73,209.80 : x
  2. Step 2: Convert to fraction form
    122,976.20/184,464.30 = 73,209.80/x
  3. Step 3: Cross multiply
    122,976.20x = 184,464.30 × 73,209.80
  4. Step 4: Simplify right side
    122,976.20x = 13,504,594,510.14
  5. Step 5: Solve for x
    x = 13,504,594,510.14/122,976.20
  6. Step 6: Final answer
    x = 109,814.70

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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.