Home / 194,612.64-268,565.04-109,729.20

Finding the Fourth Proportional to 194,612.64, 268,565.04 and 109,729.20

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Solution

The fourth proportional to 194,612.64, 268,565.04 and 109,729.20 is: 151,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.64 : 268,565.04 = 109,729.20 : x
  2. Step 2: Convert to fraction form
    194,612.64/268,565.04 = 109,729.20/x
  3. Step 3: Cross multiply
    194,612.64x = 268,565.04 × 109,729.20
  4. Step 4: Simplify right side
    194,612.64x = 29,469,426,987.17
  5. Step 5: Solve for x
    x = 29,469,426,987.17/194,612.64
  6. Step 6: Final answer
    x = 151,426.07

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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.