Home / 236,121.03-354,286.23-123,774.43

Finding the Fourth Proportional to 236,121.03, 354,286.23 and 123,774.43

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Solution

The fourth proportional to 236,121.03, 354,286.23 and 123,774.43 is: 185,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,121.03 : 354,286.23 = 123,774.43 : x
  2. Step 2: Convert to fraction form
    236,121.03/354,286.23 = 123,774.43/x
  3. Step 3: Cross multiply
    236,121.03x = 354,286.23 × 123,774.43
  4. Step 4: Simplify right side
    236,121.03x = 43,851,576,175.10
  5. Step 5: Solve for x
    x = 43,851,576,175.10/236,121.03
  6. Step 6: Final answer
    x = 185,716.52

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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.