Home / 229,149.12-343,679.22-115,266.60

Finding the Fourth Proportional to 229,149.12, 343,679.22 and 115,266.60

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Solution

The fourth proportional to 229,149.12, 343,679.22 and 115,266.60 is: 172,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,149.12 : 343,679.22 = 115,266.60 : x
  2. Step 2: Convert to fraction form
    229,149.12/343,679.22 = 115,266.60/x
  3. Step 3: Cross multiply
    229,149.12x = 343,679.22 × 115,266.60
  4. Step 4: Simplify right side
    229,149.12x = 39,614,735,180.05
  5. Step 5: Solve for x
    x = 39,614,735,180.05/229,149.12
  6. Step 6: Final answer
    x = 172,877.54

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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.