Home / 269,246.10-403,888.35-82,257.30

Finding the Fourth Proportional to 269,246.10, 403,888.35 and 82,257.30

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Solution

The fourth proportional to 269,246.10, 403,888.35 and 82,257.30 is: 123,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,246.10 : 403,888.35 = 82,257.30 : x
  2. Step 2: Convert to fraction form
    269,246.10/403,888.35 = 82,257.30/x
  3. Step 3: Cross multiply
    269,246.10x = 403,888.35 × 82,257.30
  4. Step 4: Simplify right side
    269,246.10x = 33,222,765,172.46
  5. Step 5: Solve for x
    x = 33,222,765,172.46/269,246.10
  6. Step 6: Final answer
    x = 123,391.82

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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.