Home / 228,629.24-343,469.46-161,316.20

Finding the Fourth Proportional to 228,629.24, 343,469.46 and 161,316.20

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Solution

The fourth proportional to 228,629.24, 343,469.46 and 161,316.20 is: 242,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,629.24 : 343,469.46 = 161,316.20 : x
  2. Step 2: Convert to fraction form
    228,629.24/343,469.46 = 161,316.20/x
  3. Step 3: Cross multiply
    228,629.24x = 343,469.46 × 161,316.20
  4. Step 4: Simplify right side
    228,629.24x = 55,407,188,103.25
  5. Step 5: Solve for x
    x = 55,407,188,103.25/228,629.24
  6. Step 6: Final answer
    x = 242,345.15

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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.