Home / 194,396.40-268,234.55-108,336.58

Finding the Fourth Proportional to 194,396.40, 268,234.55 and 108,336.58

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Solution

The fourth proportional to 194,396.40, 268,234.55 and 108,336.58 is: 149,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,396.40 : 268,234.55 = 108,336.58 : x
  2. Step 2: Convert to fraction form
    194,396.40/268,234.55 = 108,336.58/x
  3. Step 3: Cross multiply
    194,396.40x = 268,234.55 × 108,336.58
  4. Step 4: Simplify right side
    194,396.40x = 29,059,613,784.84
  5. Step 5: Solve for x
    x = 29,059,613,784.84/194,396.40
  6. Step 6: Final answer
    x = 149,486.38

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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.