Home / 269,256.78-403,690.77-82,166.22

Finding the Fourth Proportional to 269,256.78, 403,690.77 and 82,166.22

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Solution

The fourth proportional to 269,256.78, 403,690.77 and 82,166.22 is: 123,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,256.78 : 403,690.77 = 82,166.22 : x
  2. Step 2: Convert to fraction form
    269,256.78/403,690.77 = 82,166.22/x
  3. Step 3: Cross multiply
    269,256.78x = 403,690.77 × 82,166.22
  4. Step 4: Simplify right side
    269,256.78x = 33,169,744,619.79
  5. Step 5: Solve for x
    x = 33,169,744,619.79/269,256.78
  6. Step 6: Final answer
    x = 123,190.01

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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.