Home / 188,553.08-282,755.49-68,581.55

Finding the Fourth Proportional to 188,553.08, 282,755.49 and 68,581.55

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Solution

The fourth proportional to 188,553.08, 282,755.49 and 68,581.55 is: 102,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,553.08 : 282,755.49 = 68,581.55 : x
  2. Step 2: Convert to fraction form
    188,553.08/282,755.49 = 68,581.55/x
  3. Step 3: Cross multiply
    188,553.08x = 282,755.49 × 68,581.55
  4. Step 4: Simplify right side
    188,553.08x = 19,391,809,775.21
  5. Step 5: Solve for x
    x = 19,391,809,775.21/188,553.08
  6. Step 6: Final answer
    x = 102,845.36

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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.