Home / 129,915.96-194,879.36-41,167.50

Finding the Fourth Proportional to 129,915.96, 194,879.36 and 41,167.50

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Solution

The fourth proportional to 129,915.96, 194,879.36 and 41,167.50 is: 61,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,915.96 : 194,879.36 = 41,167.50 : x
  2. Step 2: Convert to fraction form
    129,915.96/194,879.36 = 41,167.50/x
  3. Step 3: Cross multiply
    129,915.96x = 194,879.36 × 41,167.50
  4. Step 4: Simplify right side
    129,915.96x = 8,022,696,052.80
  5. Step 5: Solve for x
    x = 8,022,696,052.80/129,915.96
  6. Step 6: Final answer
    x = 61,752.97

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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.