Home / 194,664.06-268,645.50-109,779.30

Finding the Fourth Proportional to 194,664.06, 268,645.50 and 109,779.30

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Solution

The fourth proportional to 194,664.06, 268,645.50 and 109,779.30 is: 151,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664.06 : 268,645.50 = 109,779.30 : x
  2. Step 2: Convert to fraction form
    194,664.06/268,645.50 = 109,779.30/x
  3. Step 3: Cross multiply
    194,664.06x = 268,645.50 × 109,779.30
  4. Step 4: Simplify right side
    194,664.06x = 29,491,714,938.15
  5. Step 5: Solve for x
    x = 29,491,714,938.15/194,664.06
  6. Step 6: Final answer
    x = 151,500.56

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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.