Home / 188,003.89-281,940.04-113,137.39

Finding the Fourth Proportional to 188,003.89, 281,940.04 and 113,137.39

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Solution

The fourth proportional to 188,003.89, 281,940.04 and 113,137.39 is: 169,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,003.89 : 281,940.04 = 113,137.39 : x
  2. Step 2: Convert to fraction form
    188,003.89/281,940.04 = 113,137.39/x
  3. Step 3: Cross multiply
    188,003.89x = 281,940.04 × 113,137.39
  4. Step 4: Simplify right side
    188,003.89x = 31,897,960,262.10
  5. Step 5: Solve for x
    x = 31,897,960,262.10/188,003.89
  6. Step 6: Final answer
    x = 169,666.49

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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.