Home / 195,257.53-293,002.68-87,178.50

Finding the Fourth Proportional to 195,257.53, 293,002.68 and 87,178.50

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Solution

The fourth proportional to 195,257.53, 293,002.68 and 87,178.50 is: 130,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,257.53 : 293,002.68 = 87,178.50 : x
  2. Step 2: Convert to fraction form
    195,257.53/293,002.68 = 87,178.50/x
  3. Step 3: Cross multiply
    195,257.53x = 293,002.68 × 87,178.50
  4. Step 4: Simplify right side
    195,257.53x = 25,543,534,138.38
  5. Step 5: Solve for x
    x = 25,543,534,138.38/195,257.53
  6. Step 6: Final answer
    x = 130,819.71

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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.