Home / 194,682.88-268,662-109,799.68

Finding the Fourth Proportional to 194,682.88, 268,662 and 109,799.68

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Solution

The fourth proportional to 194,682.88, 268,662 and 109,799.68 is: 151,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,682.88 : 268,662 = 109,799.68 : x
  2. Step 2: Convert to fraction form
    194,682.88/268,662 = 109,799.68/x
  3. Step 3: Cross multiply
    194,682.88x = 268,662 × 109,799.68
  4. Step 4: Simplify right side
    194,682.88x = 29,499,001,628.16
  5. Step 5: Solve for x
    x = 29,499,001,628.16/194,682.88
  6. Step 6: Final answer
    x = 151,523.35

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1.5x scale

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.