Home / 140,676.48-194,135.96-86,960.12

Finding the Fourth Proportional to 140,676.48, 194,135.96 and 86,960.12

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Solution

The fourth proportional to 140,676.48, 194,135.96 and 86,960.12 is: 120,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,676.48 : 194,135.96 = 86,960.12 : x
  2. Step 2: Convert to fraction form
    140,676.48/194,135.96 = 86,960.12/x
  3. Step 3: Cross multiply
    140,676.48x = 194,135.96 × 86,960.12
  4. Step 4: Simplify right side
    140,676.48x = 16,882,086,377.92
  5. Step 5: Solve for x
    x = 16,882,086,377.92/140,676.48
  6. Step 6: Final answer
    x = 120,006.46

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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.