Home / 211,003.36-316,286.32-131,936.04

Finding the Fourth Proportional to 211,003.36, 316,286.32 and 131,936.04

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Solution

The fourth proportional to 211,003.36, 316,286.32 and 131,936.04 is: 197,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,003.36 : 316,286.32 = 131,936.04 : x
  2. Step 2: Convert to fraction form
    211,003.36/316,286.32 = 131,936.04/x
  3. Step 3: Cross multiply
    211,003.36x = 316,286.32 × 131,936.04
  4. Step 4: Simplify right side
    211,003.36x = 41,729,564,566.97
  5. Step 5: Solve for x
    x = 41,729,564,566.97/211,003.36
  6. Step 6: Final answer
    x = 197,767.30

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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.