Home / 194,211.84-268,019.52-108,178.56

Finding the Fourth Proportional to 194,211.84, 268,019.52 and 108,178.56

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Solution

The fourth proportional to 194,211.84, 268,019.52 and 108,178.56 is: 149,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,211.84 : 268,019.52 = 108,178.56 : x
  2. Step 2: Convert to fraction form
    194,211.84/268,019.52 = 108,178.56/x
  3. Step 3: Cross multiply
    194,211.84x = 268,019.52 × 108,178.56
  4. Step 4: Simplify right side
    194,211.84x = 28,993,965,725.49
  5. Step 5: Solve for x
    x = 28,993,965,725.49/194,211.84
  6. Step 6: Final answer
    x = 149,290.41

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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.