Home / 193,867.38-290,847.64-67,489.02

Finding the Fourth Proportional to 193,867.38, 290,847.64 and 67,489.02

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Solution

The fourth proportional to 193,867.38, 290,847.64 and 67,489.02 is: 101,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,867.38 : 290,847.64 = 67,489.02 : x
  2. Step 2: Convert to fraction form
    193,867.38/290,847.64 = 67,489.02/x
  3. Step 3: Cross multiply
    193,867.38x = 290,847.64 × 67,489.02
  4. Step 4: Simplify right side
    193,867.38x = 19,629,022,192.91
  5. Step 5: Solve for x
    x = 19,629,022,192.91/193,867.38
  6. Step 6: Final answer
    x = 101,249.74

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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.