Home / 188,522.11-282,918.07-68,578.83

Finding the Fourth Proportional to 188,522.11, 282,918.07 and 68,578.83

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Solution

The fourth proportional to 188,522.11, 282,918.07 and 68,578.83 is: 102,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,522.11 : 282,918.07 = 68,578.83 : x
  2. Step 2: Convert to fraction form
    188,522.11/282,918.07 = 68,578.83/x
  3. Step 3: Cross multiply
    188,522.11x = 282,918.07 × 68,578.83
  4. Step 4: Simplify right side
    188,522.11x = 19,402,188,983.31
  5. Step 5: Solve for x
    x = 19,402,188,983.31/188,522.11
  6. Step 6: Final answer
    x = 102,917.32

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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.