Home / 122,820.89-184,231.38-43,930.40

Finding the Fourth Proportional to 122,820.89, 184,231.38 and 43,930.40

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Solution

The fourth proportional to 122,820.89, 184,231.38 and 43,930.40 is: 65,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,820.89 : 184,231.38 = 43,930.40 : x
  2. Step 2: Convert to fraction form
    122,820.89/184,231.38 = 43,930.40/x
  3. Step 3: Cross multiply
    122,820.89x = 184,231.38 × 43,930.40
  4. Step 4: Simplify right side
    122,820.89x = 8,093,358,215.95
  5. Step 5: Solve for x
    x = 8,093,358,215.95/122,820.89
  6. Step 6: Final answer
    x = 65,895.62

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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.