Home / 193,480.11-290,239.61-71,933.13

Finding the Fourth Proportional to 193,480.11, 290,239.61 and 71,933.13

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Solution

The fourth proportional to 193,480.11, 290,239.61 and 71,933.13 is: 107,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,480.11 : 290,239.61 = 71,933.13 : x
  2. Step 2: Convert to fraction form
    193,480.11/290,239.61 = 71,933.13/x
  3. Step 3: Cross multiply
    193,480.11x = 290,239.61 × 71,933.13
  4. Step 4: Simplify right side
    193,480.11x = 20,877,843,237.61
  5. Step 5: Solve for x
    x = 20,877,843,237.61/193,480.11
  6. Step 6: Final answer
    x = 107,906.92

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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.