Home / 122,976.85-184,048.60-75,621.92

Finding the Fourth Proportional to 122,976.85, 184,048.60 and 75,621.92

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Solution

The fourth proportional to 122,976.85, 184,048.60 and 75,621.92 is: 113,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976.85 : 184,048.60 = 75,621.92 : x
  2. Step 2: Convert to fraction form
    122,976.85/184,048.60 = 75,621.92/x
  3. Step 3: Cross multiply
    122,976.85x = 184,048.60 × 75,621.92
  4. Step 4: Simplify right side
    122,976.85x = 13,918,108,856.66
  5. Step 5: Solve for x
    x = 13,918,108,856.66/122,976.85
  6. Step 6: Final answer
    x = 113,176.66

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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.