Home / 194,680.12-268,642.42-109,818.04

Finding the Fourth Proportional to 194,680.12, 268,642.42 and 109,818.04

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Solution

The fourth proportional to 194,680.12, 268,642.42 and 109,818.04 is: 151,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.12 : 268,642.42 = 109,818.04 : x
  2. Step 2: Convert to fraction form
    194,680.12/268,642.42 = 109,818.04/x
  3. Step 3: Cross multiply
    194,680.12x = 268,642.42 × 109,818.04
  4. Step 4: Simplify right side
    194,680.12x = 29,501,784,025.26
  5. Step 5: Solve for x
    x = 29,501,784,025.26/194,680.12
  6. Step 6: Final answer
    x = 151,539.79

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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.