Home / 129,928.98-194,876.16-41,191.44

Finding the Fourth Proportional to 129,928.98, 194,876.16 and 41,191.44

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Solution

The fourth proportional to 129,928.98, 194,876.16 and 41,191.44 is: 61,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,928.98 : 194,876.16 = 41,191.44 : x
  2. Step 2: Convert to fraction form
    129,928.98/194,876.16 = 41,191.44/x
  3. Step 3: Cross multiply
    129,928.98x = 194,876.16 × 41,191.44
  4. Step 4: Simplify right side
    129,928.98x = 8,027,229,652.07
  5. Step 5: Solve for x
    x = 8,027,229,652.07/129,928.98
  6. Step 6: Final answer
    x = 61,781.67

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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.