Home / 131,072.14-196,575.81-56,183.80

Finding the Fourth Proportional to 131,072.14, 196,575.81 and 56,183.80

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Solution

The fourth proportional to 131,072.14, 196,575.81 and 56,183.80 is: 84,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,072.14 : 196,575.81 = 56,183.80 : x
  2. Step 2: Convert to fraction form
    131,072.14/196,575.81 = 56,183.80/x
  3. Step 3: Cross multiply
    131,072.14x = 196,575.81 × 56,183.80
  4. Step 4: Simplify right side
    131,072.14x = 11,044,375,993.88
  5. Step 5: Solve for x
    x = 11,044,375,993.88/131,072.14
  6. Step 6: Final answer
    x = 84,261.81

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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.