Home / 192,815.33-289,155.24-57,839.15

Finding the Fourth Proportional to 192,815.33, 289,155.24 and 57,839.15

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Solution

The fourth proportional to 192,815.33, 289,155.24 and 57,839.15 is: 86,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,815.33 : 289,155.24 = 57,839.15 : x
  2. Step 2: Convert to fraction form
    192,815.33/289,155.24 = 57,839.15/x
  3. Step 3: Cross multiply
    192,815.33x = 289,155.24 × 57,839.15
  4. Step 4: Simplify right side
    192,815.33x = 16,724,491,853.87
  5. Step 5: Solve for x
    x = 16,724,491,853.87/192,815.33
  6. Step 6: Final answer
    x = 86,738.40

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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.