Home / 356,352.60-491,766.68-195,213.38

Finding the Fourth Proportional to 356,352.60, 491,766.68 and 195,213.38

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Solution

The fourth proportional to 356,352.60, 491,766.68 and 195,213.38 is: 269,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,352.60 : 491,766.68 = 195,213.38 : x
  2. Step 2: Convert to fraction form
    356,352.60/491,766.68 = 195,213.38/x
  3. Step 3: Cross multiply
    356,352.60x = 491,766.68 × 195,213.38
  4. Step 4: Simplify right side
    356,352.60x = 95,999,433,378.68
  5. Step 5: Solve for x
    x = 95,999,433,378.68/356,352.60
  6. Step 6: Final answer
    x = 269,394.51

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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.