Home / 140,896.05-194,456.49-87,198.39

Finding the Fourth Proportional to 140,896.05, 194,456.49 and 87,198.39

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Solution

The fourth proportional to 140,896.05, 194,456.49 and 87,198.39 is: 120,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,896.05 : 194,456.49 = 87,198.39 : x
  2. Step 2: Convert to fraction form
    140,896.05/194,456.49 = 87,198.39/x
  3. Step 3: Cross multiply
    140,896.05x = 194,456.49 × 87,198.39
  4. Step 4: Simplify right side
    140,896.05x = 16,956,292,853.05
  5. Step 5: Solve for x
    x = 16,956,292,853.05/140,896.05
  6. Step 6: Final answer
    x = 120,346.12

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1.5x scale

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.