Home / 122,685.10-184,027.65-80,694.70

Finding the Fourth Proportional to 122,685.10, 184,027.65 and 80,694.70

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Solution

The fourth proportional to 122,685.10, 184,027.65 and 80,694.70 is: 121,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,685.10 : 184,027.65 = 80,694.70 : x
  2. Step 2: Convert to fraction form
    122,685.10/184,027.65 = 80,694.70/x
  3. Step 3: Cross multiply
    122,685.10x = 184,027.65 × 80,694.70
  4. Step 4: Simplify right side
    122,685.10x = 14,850,056,008.46
  5. Step 5: Solve for x
    x = 14,850,056,008.46/122,685.10
  6. Step 6: Final answer
    x = 121,042.05

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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.