Home / 269,090.36-403,620.50-82,087.16

Finding the Fourth Proportional to 269,090.36, 403,620.50 and 82,087.16

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Solution

The fourth proportional to 269,090.36, 403,620.50 and 82,087.16 is: 123,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,090.36 : 403,620.50 = 82,087.16 : x
  2. Step 2: Convert to fraction form
    269,090.36/403,620.50 = 82,087.16/x
  3. Step 3: Cross multiply
    269,090.36x = 403,620.50 × 82,087.16
  4. Step 4: Simplify right side
    269,090.36x = 33,132,060,562.78
  5. Step 5: Solve for x
    x = 33,132,060,562.78/269,090.36
  6. Step 6: Final answer
    x = 123,126.15

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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.