Home / 188,189.33-259,694.54-106,515.83

Finding the Fourth Proportional to 188,189.33, 259,694.54 and 106,515.83

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Solution

The fourth proportional to 188,189.33, 259,694.54 and 106,515.83 is: 146,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,189.33 : 259,694.54 = 106,515.83 : x
  2. Step 2: Convert to fraction form
    188,189.33/259,694.54 = 106,515.83/x
  3. Step 3: Cross multiply
    188,189.33x = 259,694.54 × 106,515.83
  4. Step 4: Simplify right side
    188,189.33x = 27,661,578,442.39
  5. Step 5: Solve for x
    x = 27,661,578,442.39/188,189.33
  6. Step 6: Final answer
    x = 146,988.03

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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.