Home / 188,077.36-281,932.08-68,098

Finding the Fourth Proportional to 188,077.36, 281,932.08 and 68,098

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Solution

The fourth proportional to 188,077.36, 281,932.08 and 68,098 is: 102,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,077.36 : 281,932.08 = 68,098 : x
  2. Step 2: Convert to fraction form
    188,077.36/281,932.08 = 68,098/x
  3. Step 3: Cross multiply
    188,077.36x = 281,932.08 × 68,098
  4. Step 4: Simplify right side
    188,077.36x = 19,199,010,783.84
  5. Step 5: Solve for x
    x = 19,199,010,783.84/188,077.36
  6. Step 6: Final answer
    x = 102,080.39

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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.