Home / 188,078.88-281,444.22-162,865.20

Finding the Fourth Proportional to 188,078.88, 281,444.22 and 162,865.20

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Solution

The fourth proportional to 188,078.88, 281,444.22 and 162,865.20 is: 243,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,078.88 : 281,444.22 = 162,865.20 : x
  2. Step 2: Convert to fraction form
    188,078.88/281,444.22 = 162,865.20/x
  3. Step 3: Cross multiply
    188,078.88x = 281,444.22 × 162,865.20
  4. Step 4: Simplify right side
    188,078.88x = 45,837,469,179.14
  5. Step 5: Solve for x
    x = 45,837,469,179.14/188,078.88
  6. Step 6: Final answer
    x = 243,714.07

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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.