Home / 269,103.08-403,693.74-82,090.28

Finding the Fourth Proportional to 269,103.08, 403,693.74 and 82,090.28

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Solution

The fourth proportional to 269,103.08, 403,693.74 and 82,090.28 is: 123,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,103.08 : 403,693.74 = 82,090.28 : x
  2. Step 2: Convert to fraction form
    269,103.08/403,693.74 = 82,090.28/x
  3. Step 3: Cross multiply
    269,103.08x = 403,693.74 × 82,090.28
  4. Step 4: Simplify right side
    269,103.08x = 33,139,332,150.85
  5. Step 5: Solve for x
    x = 33,139,332,150.85/269,103.08
  6. Step 6: Final answer
    x = 123,147.35

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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.