Home / 193,680.88-290,538.08-53,439.49

Finding the Fourth Proportional to 193,680.88, 290,538.08 and 53,439.49

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Solution

The fourth proportional to 193,680.88, 290,538.08 and 53,439.49 is: 80,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,680.88 : 290,538.08 = 53,439.49 : x
  2. Step 2: Convert to fraction form
    193,680.88/290,538.08 = 53,439.49/x
  3. Step 3: Cross multiply
    193,680.88x = 290,538.08 × 53,439.49
  4. Step 4: Simplify right side
    193,680.88x = 15,526,206,553.58
  5. Step 5: Solve for x
    x = 15,526,206,553.58/193,680.88
  6. Step 6: Final answer
    x = 80,163.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.