Home / 194,668.38-268,638.66-109,785.42

Finding the Fourth Proportional to 194,668.38, 268,638.66 and 109,785.42

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Solution

The fourth proportional to 194,668.38, 268,638.66 and 109,785.42 is: 151,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,668.38 : 268,638.66 = 109,785.42 : x
  2. Step 2: Convert to fraction form
    194,668.38/268,638.66 = 109,785.42/x
  3. Step 3: Cross multiply
    194,668.38x = 268,638.66 × 109,785.42
  4. Step 4: Simplify right side
    194,668.38x = 29,492,608,116.34
  5. Step 5: Solve for x
    x = 29,492,608,116.34/194,668.38
  6. Step 6: Final answer
    x = 151,501.79

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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.