Home / 268,724.27-403,155.66-192,910.70

Finding the Fourth Proportional to 268,724.27, 403,155.66 and 192,910.70

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Solution

The fourth proportional to 268,724.27, 403,155.66 and 192,910.70 is: 289,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,724.27 : 403,155.66 = 192,910.70 : x
  2. Step 2: Convert to fraction form
    268,724.27/403,155.66 = 192,910.70/x
  3. Step 3: Cross multiply
    268,724.27x = 403,155.66 × 192,910.70
  4. Step 4: Simplify right side
    268,724.27x = 77,773,039,615.01
  5. Step 5: Solve for x
    x = 77,773,039,615.01/268,724.27
  6. Step 6: Final answer
    x = 289,415.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.