Home / 194,213.10-268,009.96-108,171.82

Finding the Fourth Proportional to 194,213.10, 268,009.96 and 108,171.82

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Solution

The fourth proportional to 194,213.10, 268,009.96 and 108,171.82 is: 149,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,213.10 : 268,009.96 = 108,171.82 : x
  2. Step 2: Convert to fraction form
    194,213.10/268,009.96 = 108,171.82/x
  3. Step 3: Cross multiply
    194,213.10x = 268,009.96 × 108,171.82
  4. Step 4: Simplify right side
    194,213.10x = 28,991,125,151.33
  5. Step 5: Solve for x
    x = 28,991,125,151.33/194,213.10
  6. Step 6: Final answer
    x = 149,274.82

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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.