Home / 356,012.20-491,277.81-194,836.08

Finding the Fourth Proportional to 356,012.20, 491,277.81 and 194,836.08

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Solution

The fourth proportional to 356,012.20, 491,277.81 and 194,836.08 is: 268,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,012.20 : 491,277.81 = 194,836.08 : x
  2. Step 2: Convert to fraction form
    356,012.20/491,277.81 = 194,836.08/x
  3. Step 3: Cross multiply
    356,012.20x = 491,277.81 × 194,836.08
  4. Step 4: Simplify right side
    356,012.20x = 95,718,642,691.38
  5. Step 5: Solve for x
    x = 95,718,642,691.38/356,012.20
  6. Step 6: Final answer
    x = 268,863.38

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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.