Home / 192,938.06-289,505.78-91,850.33

Finding the Fourth Proportional to 192,938.06, 289,505.78 and 91,850.33

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Solution

The fourth proportional to 192,938.06, 289,505.78 and 91,850.33 is: 137,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,938.06 : 289,505.78 = 91,850.33 : x
  2. Step 2: Convert to fraction form
    192,938.06/289,505.78 = 91,850.33/x
  3. Step 3: Cross multiply
    192,938.06x = 289,505.78 × 91,850.33
  4. Step 4: Simplify right side
    192,938.06x = 26,591,201,429.91
  5. Step 5: Solve for x
    x = 26,591,201,429.91/192,938.06
  6. Step 6: Final answer
    x = 137,822.48

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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.