Home / 122,930.75-184,427.82-66,756.44

Finding the Fourth Proportional to 122,930.75, 184,427.82 and 66,756.44

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Solution

The fourth proportional to 122,930.75, 184,427.82 and 66,756.44 is: 100,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,930.75 : 184,427.82 = 66,756.44 : x
  2. Step 2: Convert to fraction form
    122,930.75/184,427.82 = 66,756.44/x
  3. Step 3: Cross multiply
    122,930.75x = 184,427.82 × 66,756.44
  4. Step 4: Simplify right side
    122,930.75x = 12,311,744,366.38
  5. Step 5: Solve for x
    x = 12,311,744,366.38/122,930.75
  6. Step 6: Final answer
    x = 100,151.87

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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.