Home / 122,923.38-184,388.58-66,790.38

Finding the Fourth Proportional to 122,923.38, 184,388.58 and 66,790.38

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Solution

The fourth proportional to 122,923.38, 184,388.58 and 66,790.38 is: 100,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,923.38 : 184,388.58 = 66,790.38 : x
  2. Step 2: Convert to fraction form
    122,923.38/184,388.58 = 66,790.38/x
  3. Step 3: Cross multiply
    122,923.38x = 184,388.58 × 66,790.38
  4. Step 4: Simplify right side
    122,923.38x = 12,315,383,325.86
  5. Step 5: Solve for x
    x = 12,315,383,325.86/122,923.38
  6. Step 6: Final answer
    x = 100,187.48

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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.