Home / 111,753.24-167,740.04-82,087.80

Finding the Fourth Proportional to 111,753.24, 167,740.04 and 82,087.80

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Solution

The fourth proportional to 111,753.24, 167,740.04 and 82,087.80 is: 123,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,753.24 : 167,740.04 = 82,087.80 : x
  2. Step 2: Convert to fraction form
    111,753.24/167,740.04 = 82,087.80/x
  3. Step 3: Cross multiply
    111,753.24x = 167,740.04 × 82,087.80
  4. Step 4: Simplify right side
    111,753.24x = 13,769,410,855.51
  5. Step 5: Solve for x
    x = 13,769,410,855.51/111,753.24
  6. Step 6: Final answer
    x = 123,212.63

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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.