Home / 356,371.20-491,804.52-195,226.23

Finding the Fourth Proportional to 356,371.20, 491,804.52 and 195,226.23

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Solution

The fourth proportional to 356,371.20, 491,804.52 and 195,226.23 is: 269,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,371.20 : 491,804.52 = 195,226.23 : x
  2. Step 2: Convert to fraction form
    356,371.20/491,804.52 = 195,226.23/x
  3. Step 3: Cross multiply
    356,371.20x = 491,804.52 × 195,226.23
  4. Step 4: Simplify right side
    356,371.20x = 96,013,142,336.56
  5. Step 5: Solve for x
    x = 96,013,142,336.56/356,371.20
  6. Step 6: Final answer
    x = 269,418.92

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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.