Home / 192,938.31-289,506.15-91,850.58

Finding the Fourth Proportional to 192,938.31, 289,506.15 and 91,850.58

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Solution

The fourth proportional to 192,938.31, 289,506.15 and 91,850.58 is: 137,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,938.31 : 289,506.15 = 91,850.58 : x
  2. Step 2: Convert to fraction form
    192,938.31/289,506.15 = 91,850.58/x
  3. Step 3: Cross multiply
    192,938.31x = 289,506.15 × 91,850.58
  4. Step 4: Simplify right side
    192,938.31x = 26,591,307,791.07
  5. Step 5: Solve for x
    x = 26,591,307,791.07/192,938.31
  6. Step 6: Final answer
    x = 137,822.85

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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.