Home / 140,610.44-194,012.39-83,267.78

Finding the Fourth Proportional to 140,610.44, 194,012.39 and 83,267.78

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Solution

The fourth proportional to 140,610.44, 194,012.39 and 83,267.78 is: 114,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,610.44 : 194,012.39 = 83,267.78 : x
  2. Step 2: Convert to fraction form
    140,610.44/194,012.39 = 83,267.78/x
  3. Step 3: Cross multiply
    140,610.44x = 194,012.39 × 83,267.78
  4. Step 4: Simplify right side
    140,610.44x = 16,154,979,621.39
  5. Step 5: Solve for x
    x = 16,154,979,621.39/140,610.44
  6. Step 6: Final answer
    x = 114,891.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.