Home / 194,612.42-268,565.20-109,729.50

Finding the Fourth Proportional to 194,612.42, 268,565.20 and 109,729.50

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Solution

The fourth proportional to 194,612.42, 268,565.20 and 109,729.50 is: 151,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.42 : 268,565.20 = 109,729.50 : x
  2. Step 2: Convert to fraction form
    194,612.42/268,565.20 = 109,729.50/x
  3. Step 3: Cross multiply
    194,612.42x = 268,565.20 × 109,729.50
  4. Step 4: Simplify right side
    194,612.42x = 29,469,525,113.40
  5. Step 5: Solve for x
    x = 29,469,525,113.40/194,612.42
  6. Step 6: Final answer
    x = 151,426.74

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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.