Home / 188,003.16-281,939.04-75,654.23

Finding the Fourth Proportional to 188,003.16, 281,939.04 and 75,654.23

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Solution

The fourth proportional to 188,003.16, 281,939.04 and 75,654.23 is: 113,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,003.16 : 281,939.04 = 75,654.23 : x
  2. Step 2: Convert to fraction form
    188,003.16/281,939.04 = 75,654.23/x
  3. Step 3: Cross multiply
    188,003.16x = 281,939.04 × 75,654.23
  4. Step 4: Simplify right side
    188,003.16x = 21,329,879,568.44
  5. Step 5: Solve for x
    x = 21,329,879,568.44/188,003.16
  6. Step 6: Final answer
    x = 113,454.90

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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.