Home / 194,634.28-268,516.38-137,356.75

Finding the Fourth Proportional to 194,634.28, 268,516.38 and 137,356.75

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Solution

The fourth proportional to 194,634.28, 268,516.38 and 137,356.75 is: 189,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,634.28 : 268,516.38 = 137,356.75 : x
  2. Step 2: Convert to fraction form
    194,634.28/268,516.38 = 137,356.75/x
  3. Step 3: Cross multiply
    194,634.28x = 268,516.38 × 137,356.75
  4. Step 4: Simplify right side
    194,634.28x = 36,882,537,278.57
  5. Step 5: Solve for x
    x = 36,882,537,278.57/194,634.28
  6. Step 6: Final answer
    x = 189,496.62

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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.