Home / 129,619.73-194,423.10-50,748.41

Finding the Fourth Proportional to 129,619.73, 194,423.10 and 50,748.41

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Solution

The fourth proportional to 129,619.73, 194,423.10 and 50,748.41 is: 76,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,619.73 : 194,423.10 = 50,748.41 : x
  2. Step 2: Convert to fraction form
    129,619.73/194,423.10 = 50,748.41/x
  3. Step 3: Cross multiply
    129,619.73x = 194,423.10 × 50,748.41
  4. Step 4: Simplify right side
    129,619.73x = 9,866,663,192.27
  5. Step 5: Solve for x
    x = 9,866,663,192.27/129,619.73
  6. Step 6: Final answer
    x = 76,120.07

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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.