Home / 188,261.22-282,329.18-75,912.42

Finding the Fourth Proportional to 188,261.22, 282,329.18 and 75,912.42

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Solution

The fourth proportional to 188,261.22, 282,329.18 and 75,912.42 is: 113,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,261.22 : 282,329.18 = 75,912.42 : x
  2. Step 2: Convert to fraction form
    188,261.22/282,329.18 = 75,912.42/x
  3. Step 3: Cross multiply
    188,261.22x = 282,329.18 × 75,912.42
  4. Step 4: Simplify right side
    188,261.22x = 21,432,291,290.42
  5. Step 5: Solve for x
    x = 21,432,291,290.42/188,261.22
  6. Step 6: Final answer
    x = 113,843.37

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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.