Home / 269,198.66-403,798.05-79,644.35

Finding the Fourth Proportional to 269,198.66, 403,798.05 and 79,644.35

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Solution

The fourth proportional to 269,198.66, 403,798.05 and 79,644.35 is: 119,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,198.66 : 403,798.05 = 79,644.35 : x
  2. Step 2: Convert to fraction form
    269,198.66/403,798.05 = 79,644.35/x
  3. Step 3: Cross multiply
    269,198.66x = 403,798.05 × 79,644.35
  4. Step 4: Simplify right side
    269,198.66x = 32,160,231,204.53
  5. Step 5: Solve for x
    x = 32,160,231,204.53/269,198.66
  6. Step 6: Final answer
    x = 119,466.54

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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.