Home / 122,844.83-184,519.40-80,784.68

Finding the Fourth Proportional to 122,844.83, 184,519.40 and 80,784.68

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Solution

The fourth proportional to 122,844.83, 184,519.40 and 80,784.68 is: 121,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,844.83 : 184,519.40 = 80,784.68 : x
  2. Step 2: Convert to fraction form
    122,844.83/184,519.40 = 80,784.68/x
  3. Step 3: Cross multiply
    122,844.83x = 184,519.40 × 80,784.68
  4. Step 4: Simplify right side
    122,844.83x = 14,906,339,356.27
  5. Step 5: Solve for x
    x = 14,906,339,356.27/122,844.83
  6. Step 6: Final answer
    x = 121,342.84

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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.