Home / 193,441.38-289,986.90-68,753.22

Finding the Fourth Proportional to 193,441.38, 289,986.90 and 68,753.22

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Solution

The fourth proportional to 193,441.38, 289,986.90 and 68,753.22 is: 103,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,441.38 : 289,986.90 = 68,753.22 : x
  2. Step 2: Convert to fraction form
    193,441.38/289,986.90 = 68,753.22/x
  3. Step 3: Cross multiply
    193,441.38x = 289,986.90 × 68,753.22
  4. Step 4: Simplify right side
    193,441.38x = 19,937,533,132.82
  5. Step 5: Solve for x
    x = 19,937,533,132.82/193,441.38
  6. Step 6: Final answer
    x = 103,067.57

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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.