Home / 362,022.87-543,122.09-109,288.27

Finding the Fourth Proportional to 362,022.87, 543,122.09 and 109,288.27

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Solution

The fourth proportional to 362,022.87, 543,122.09 and 109,288.27 is: 163,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,022.87 : 543,122.09 = 109,288.27 : x
  2. Step 2: Convert to fraction form
    362,022.87/543,122.09 = 109,288.27/x
  3. Step 3: Cross multiply
    362,022.87x = 543,122.09 × 109,288.27
  4. Step 4: Simplify right side
    362,022.87x = 59,356,874,771.92
  5. Step 5: Solve for x
    x = 59,356,874,771.92/362,022.87
  6. Step 6: Final answer
    x = 163,958.91

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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.