Home / 194,801.28-268,805.28-113,113.57

Finding the Fourth Proportional to 194,801.28, 268,805.28 and 113,113.57

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Solution

The fourth proportional to 194,801.28, 268,805.28 and 113,113.57 is: 156,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,801.28 : 268,805.28 = 113,113.57 : x
  2. Step 2: Convert to fraction form
    194,801.28/268,805.28 = 113,113.57/x
  3. Step 3: Cross multiply
    194,801.28x = 268,805.28 × 113,113.57
  4. Step 4: Simplify right side
    194,801.28x = 30,405,524,855.65
  5. Step 5: Solve for x
    x = 30,405,524,855.65/194,801.28
  6. Step 6: Final answer
    x = 156,084.83

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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.