Home / 122,684.09-184,027.95-80,832.20

Finding the Fourth Proportional to 122,684.09, 184,027.95 and 80,832.20

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Solution

The fourth proportional to 122,684.09, 184,027.95 and 80,832.20 is: 121,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,684.09 : 184,027.95 = 80,832.20 : x
  2. Step 2: Convert to fraction form
    122,684.09/184,027.95 = 80,832.20/x
  3. Step 3: Cross multiply
    122,684.09x = 184,027.95 × 80,832.20
  4. Step 4: Simplify right side
    122,684.09x = 14,875,383,139.85
  5. Step 5: Solve for x
    x = 14,875,383,139.85/122,684.09
  6. Step 6: Final answer
    x = 121,249.49

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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.