Home / 761,109.97-1,141,732.38-200,144.47

Finding the Fourth Proportional to 761,109.97, 1,141,732.38 and 200,144.47

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Solution

The fourth proportional to 761,109.97, 1,141,732.38 and 200,144.47 is: 300,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,109.97 : 1,141,732.38 = 200,144.47 : x
  2. Step 2: Convert to fraction form
    761,109.97/1,141,732.38 = 200,144.47/x
  3. Step 3: Cross multiply
    761,109.97x = 1,141,732.38 × 200,144.47
  4. Step 4: Simplify right side
    761,109.97x = 228,511,420,988.09
  5. Step 5: Solve for x
    x = 228,511,420,988.09/761,109.97
  6. Step 6: Final answer
    x = 300,234.43

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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.