Home / 188,522.61-282,918.83-68,579.33

Finding the Fourth Proportional to 188,522.61, 282,918.83 and 68,579.33

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Solution

The fourth proportional to 188,522.61, 282,918.83 and 68,579.33 is: 102,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,522.61 : 282,918.83 = 68,579.33 : x
  2. Step 2: Convert to fraction form
    188,522.61/282,918.83 = 68,579.33/x
  3. Step 3: Cross multiply
    188,522.61x = 282,918.83 × 68,579.33
  4. Step 4: Simplify right side
    188,522.61x = 19,402,382,048.29
  5. Step 5: Solve for x
    x = 19,402,382,048.29/188,522.61
  6. Step 6: Final answer
    x = 102,918.07

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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.