Home / 194,213.52-268,015.10-108,171.81

Finding the Fourth Proportional to 194,213.52, 268,015.10 and 108,171.81

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Solution

The fourth proportional to 194,213.52, 268,015.10 and 108,171.81 is: 149,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,213.52 : 268,015.10 = 108,171.81 : x
  2. Step 2: Convert to fraction form
    194,213.52/268,015.10 = 108,171.81/x
  3. Step 3: Cross multiply
    194,213.52x = 268,015.10 × 108,171.81
  4. Step 4: Simplify right side
    194,213.52x = 28,991,677,933.47
  5. Step 5: Solve for x
    x = 28,991,677,933.47/194,213.52
  6. Step 6: Final answer
    x = 149,277.34

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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.