Home / 268,834.41-403,252.56-79,297.11

Finding the Fourth Proportional to 268,834.41, 403,252.56 and 79,297.11

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Solution

The fourth proportional to 268,834.41, 403,252.56 and 79,297.11 is: 118,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,834.41 : 403,252.56 = 79,297.11 : x
  2. Step 2: Convert to fraction form
    268,834.41/403,252.56 = 79,297.11/x
  3. Step 3: Cross multiply
    268,834.41x = 403,252.56 × 79,297.11
  4. Step 4: Simplify right side
    268,834.41x = 31,976,762,608.10
  5. Step 5: Solve for x
    x = 31,976,762,608.10/268,834.41
  6. Step 6: Final answer
    x = 118,945.94

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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.