Home / 226,531.53-339,795.77-76,877.18

Finding the Fourth Proportional to 226,531.53, 339,795.77 and 76,877.18

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Solution

The fourth proportional to 226,531.53, 339,795.77 and 76,877.18 is: 115,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,531.53 : 339,795.77 = 76,877.18 : x
  2. Step 2: Convert to fraction form
    226,531.53/339,795.77 = 76,877.18/x
  3. Step 3: Cross multiply
    226,531.53x = 339,795.77 × 76,877.18
  4. Step 4: Simplify right side
    226,531.53x = 26,122,540,189.14
  5. Step 5: Solve for x
    x = 26,122,540,189.14/226,531.53
  6. Step 6: Final answer
    x = 115,315.25

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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.