Home / 194,635.28-268,517.76-137,357.76

Finding the Fourth Proportional to 194,635.28, 268,517.76 and 137,357.76

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Solution

The fourth proportional to 194,635.28, 268,517.76 and 137,357.76 is: 189,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,635.28 : 268,517.76 = 137,357.76 : x
  2. Step 2: Convert to fraction form
    194,635.28/268,517.76 = 137,357.76/x
  3. Step 3: Cross multiply
    194,635.28x = 268,517.76 × 137,357.76
  4. Step 4: Simplify right side
    194,635.28x = 36,882,998,033.82
  5. Step 5: Solve for x
    x = 36,882,998,033.82/194,635.28
  6. Step 6: Final answer
    x = 189,498.01

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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.