Home / 188,337.31-259,907.39-102,297.97

Finding the Fourth Proportional to 188,337.31, 259,907.39 and 102,297.97

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Solution

The fourth proportional to 188,337.31, 259,907.39 and 102,297.97 is: 141,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,337.31 : 259,907.39 = 102,297.97 : x
  2. Step 2: Convert to fraction form
    188,337.31/259,907.39 = 102,297.97/x
  3. Step 3: Cross multiply
    188,337.31x = 259,907.39 × 102,297.97
  4. Step 4: Simplify right side
    188,337.31x = 26,587,999,157.44
  5. Step 5: Solve for x
    x = 26,587,999,157.44/188,337.31
  6. Step 6: Final answer
    x = 141,172.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.