Home / 129,914.18-194,876.76-41,165.72

Finding the Fourth Proportional to 129,914.18, 194,876.76 and 41,165.72

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Solution

The fourth proportional to 129,914.18, 194,876.76 and 41,165.72 is: 61,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.18 : 194,876.76 = 41,165.72 : x
  2. Step 2: Convert to fraction form
    129,914.18/194,876.76 = 41,165.72/x
  3. Step 3: Cross multiply
    129,914.18x = 194,876.76 × 41,165.72
  4. Step 4: Simplify right side
    129,914.18x = 8,022,242,136.67
  5. Step 5: Solve for x
    x = 8,022,242,136.67/129,914.18
  6. Step 6: Final answer
    x = 61,750.32

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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.