Home / 193,845.24-290,648.82-75,378.48

Finding the Fourth Proportional to 193,845.24, 290,648.82 and 75,378.48

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Solution

The fourth proportional to 193,845.24, 290,648.82 and 75,378.48 is: 113,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845.24 : 290,648.82 = 75,378.48 : x
  2. Step 2: Convert to fraction form
    193,845.24/290,648.82 = 75,378.48/x
  3. Step 3: Cross multiply
    193,845.24x = 290,648.82 × 75,378.48
  4. Step 4: Simplify right side
    193,845.24x = 21,908,666,265.39
  5. Step 5: Solve for x
    x = 21,908,666,265.39/193,845.24
  6. Step 6: Final answer
    x = 113,021.43

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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.