Home / 194,720.82-268,722.90-109,837.86

Finding the Fourth Proportional to 194,720.82, 268,722.90 and 109,837.86

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Solution

The fourth proportional to 194,720.82, 268,722.90 and 109,837.86 is: 151,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,720.82 : 268,722.90 = 109,837.86 : x
  2. Step 2: Convert to fraction form
    194,720.82/268,722.90 = 109,837.86/x
  3. Step 3: Cross multiply
    194,720.82x = 268,722.90 × 109,837.86
  4. Step 4: Simplify right side
    194,720.82x = 29,515,948,268.99
  5. Step 5: Solve for x
    x = 29,515,948,268.99/194,720.82
  6. Step 6: Final answer
    x = 151,580.85

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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.