Home / 269,515.10-404,273.85-69,821.30

Finding the Fourth Proportional to 269,515.10, 404,273.85 and 69,821.30

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Solution

The fourth proportional to 269,515.10, 404,273.85 and 69,821.30 is: 104,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,515.10 : 404,273.85 = 69,821.30 : x
  2. Step 2: Convert to fraction form
    269,515.10/404,273.85 = 69,821.30/x
  3. Step 3: Cross multiply
    269,515.10x = 404,273.85 × 69,821.30
  4. Step 4: Simplify right side
    269,515.10x = 28,226,925,763.01
  5. Step 5: Solve for x
    x = 28,226,925,763.01/269,515.10
  6. Step 6: Final answer
    x = 104,732.26

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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.