Home / 269,279.20-403,917.57-69,582.61

Finding the Fourth Proportional to 269,279.20, 403,917.57 and 69,582.61

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Solution

The fourth proportional to 269,279.20, 403,917.57 and 69,582.61 is: 104,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,279.20 : 403,917.57 = 69,582.61 : x
  2. Step 2: Convert to fraction form
    269,279.20/403,917.57 = 69,582.61/x
  3. Step 3: Cross multiply
    269,279.20x = 403,917.57 × 69,582.61
  4. Step 4: Simplify right side
    269,279.20x = 28,105,638,745.46
  5. Step 5: Solve for x
    x = 28,105,638,745.46/269,279.20
  6. Step 6: Final answer
    x = 104,373.60

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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.