Home / 193,723.53-290,563.38-67,342.47

Finding the Fourth Proportional to 193,723.53, 290,563.38 and 67,342.47

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Solution

The fourth proportional to 193,723.53, 290,563.38 and 67,342.47 is: 101,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,723.53 : 290,563.38 = 67,342.47 : x
  2. Step 2: Convert to fraction form
    193,723.53/290,563.38 = 67,342.47/x
  3. Step 3: Cross multiply
    193,723.53x = 290,563.38 × 67,342.47
  4. Step 4: Simplify right side
    193,723.53x = 19,567,255,700.75
  5. Step 5: Solve for x
    x = 19,567,255,700.75/193,723.53
  6. Step 6: Final answer
    x = 101,006.09

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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.