Home / 193,837.97-290,637.87-75,371.21

Finding the Fourth Proportional to 193,837.97, 290,637.87 and 75,371.21

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Solution

The fourth proportional to 193,837.97, 290,637.87 and 75,371.21 is: 113,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,837.97 : 290,637.87 = 75,371.21 : x
  2. Step 2: Convert to fraction form
    193,837.97/290,637.87 = 75,371.21/x
  3. Step 3: Cross multiply
    193,837.97x = 290,637.87 × 75,371.21
  4. Step 4: Simplify right side
    193,837.97x = 21,905,727,933.72
  5. Step 5: Solve for x
    x = 21,905,727,933.72/193,837.97
  6. Step 6: Final answer
    x = 113,010.51

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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.