Home / 131,344.21-196,996.69-36,564.49

Finding the Fourth Proportional to 131,344.21, 196,996.69 and 36,564.49

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Solution

The fourth proportional to 131,344.21, 196,996.69 and 36,564.49 is: 54,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,344.21 : 196,996.69 = 36,564.49 : x
  2. Step 2: Convert to fraction form
    131,344.21/196,996.69 = 36,564.49/x
  3. Step 3: Cross multiply
    131,344.21x = 196,996.69 × 36,564.49
  4. Step 4: Simplify right side
    131,344.21x = 7,203,082,333.73
  5. Step 5: Solve for x
    x = 7,203,082,333.73/131,344.21
  6. Step 6: Final answer
    x = 54,841.26

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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.