Home / 188,124.96-281,964.96-82,723.44

Finding the Fourth Proportional to 188,124.96, 281,964.96 and 82,723.44

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Solution

The fourth proportional to 188,124.96, 281,964.96 and 82,723.44 is: 123,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,124.96 : 281,964.96 = 82,723.44 : x
  2. Step 2: Convert to fraction form
    188,124.96/281,964.96 = 82,723.44/x
  3. Step 3: Cross multiply
    188,124.96x = 281,964.96 × 82,723.44
  4. Step 4: Simplify right side
    188,124.96x = 23,325,111,450.66
  5. Step 5: Solve for x
    x = 23,325,111,450.66/188,124.96
  6. Step 6: Final answer
    x = 123,987.33

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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.