Home / 268,717.33-403,062.71-100,224.53

Finding the Fourth Proportional to 268,717.33, 403,062.71 and 100,224.53

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Solution

The fourth proportional to 268,717.33, 403,062.71 and 100,224.53 is: 150,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,717.33 : 403,062.71 = 100,224.53 : x
  2. Step 2: Convert to fraction form
    268,717.33/403,062.71 = 100,224.53/x
  3. Step 3: Cross multiply
    268,717.33x = 403,062.71 × 100,224.53
  4. Step 4: Simplify right side
    268,717.33x = 40,396,768,908.23
  5. Step 5: Solve for x
    x = 40,396,768,908.23/268,717.33
  6. Step 6: Final answer
    x = 150,331.83

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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.