Home / 170,815.10-256,295.55-82,022.90

Finding the Fourth Proportional to 170,815.10, 256,295.55 and 82,022.90

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Solution

The fourth proportional to 170,815.10, 256,295.55 and 82,022.90 is: 123,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,815.10 : 256,295.55 = 82,022.90 : x
  2. Step 2: Convert to fraction form
    170,815.10/256,295.55 = 82,022.90/x
  3. Step 3: Cross multiply
    170,815.10x = 256,295.55 × 82,022.90
  4. Step 4: Simplify right side
    170,815.10x = 21,022,104,268.10
  5. Step 5: Solve for x
    x = 21,022,104,268.10/170,815.10
  6. Step 6: Final answer
    x = 123,069.36

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