Home / 193,741.38-290,744.31-67,380.36

Finding the Fourth Proportional to 193,741.38, 290,744.31 and 67,380.36

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Solution

The fourth proportional to 193,741.38, 290,744.31 and 67,380.36 is: 101,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,741.38 : 290,744.31 = 67,380.36 : x
  2. Step 2: Convert to fraction form
    193,741.38/290,744.31 = 67,380.36/x
  3. Step 3: Cross multiply
    193,741.38x = 290,744.31 × 67,380.36
  4. Step 4: Simplify right side
    193,741.38x = 19,590,456,275.75
  5. Step 5: Solve for x
    x = 19,590,456,275.75/193,741.38
  6. Step 6: Final answer
    x = 101,116.53

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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.