Home / 666,171.26-999,265.38-192,857.06

Finding the Fourth Proportional to 666,171.26, 999,265.38 and 192,857.06

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Solution

The fourth proportional to 666,171.26, 999,265.38 and 192,857.06 is: 289,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,171.26 : 999,265.38 = 192,857.06 : x
  2. Step 2: Convert to fraction form
    666,171.26/999,265.38 = 192,857.06/x
  3. Step 3: Cross multiply
    666,171.26x = 999,265.38 × 192,857.06
  4. Step 4: Simplify right side
    666,171.26x = 192,715,383,346.58
  5. Step 5: Solve for x
    x = 192,715,383,346.58/666,171.26
  6. Step 6: Final answer
    x = 289,288.05

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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.