Home / 194,219.76-268,028.28-109,339.86

Finding the Fourth Proportional to 194,219.76, 268,028.28 and 109,339.86

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Solution

The fourth proportional to 194,219.76, 268,028.28 and 109,339.86 is: 150,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,219.76 : 268,028.28 = 109,339.86 : x
  2. Step 2: Convert to fraction form
    194,219.76/268,028.28 = 109,339.86/x
  3. Step 3: Cross multiply
    194,219.76x = 268,028.28 × 109,339.86
  4. Step 4: Simplify right side
    194,219.76x = 29,306,174,611.24
  5. Step 5: Solve for x
    x = 29,306,174,611.24/194,219.76
  6. Step 6: Final answer
    x = 150,891.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.