Home / 149,768.04-206,675.94-82,698.60

Finding the Fourth Proportional to 149,768.04, 206,675.94 and 82,698.60

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Solution

The fourth proportional to 149,768.04, 206,675.94 and 82,698.60 is: 114,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,768.04 : 206,675.94 = 82,698.60 : x
  2. Step 2: Convert to fraction form
    149,768.04/206,675.94 = 82,698.60/x
  3. Step 3: Cross multiply
    149,768.04x = 206,675.94 × 82,698.60
  4. Step 4: Simplify right side
    149,768.04x = 17,091,810,891.68
  5. Step 5: Solve for x
    x = 17,091,810,891.68/149,768.04
  6. Step 6: Final answer
    x = 114,121.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.