Home / 194,633.28-268,515-137,355.75

Finding the Fourth Proportional to 194,633.28, 268,515 and 137,355.75

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Solution

The fourth proportional to 194,633.28, 268,515 and 137,355.75 is: 189,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,633.28 : 268,515 = 137,355.75 : x
  2. Step 2: Convert to fraction form
    194,633.28/268,515 = 137,355.75/x
  3. Step 3: Cross multiply
    194,633.28x = 268,515 × 137,355.75
  4. Step 4: Simplify right side
    194,633.28x = 36,882,079,211.25
  5. Step 5: Solve for x
    x = 36,882,079,211.25/194,633.28
  6. Step 6: Final answer
    x = 189,495.24

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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.