Home / 226,720.40-339,274.20-197,459.60

Finding the Fourth Proportional to 226,720.40, 339,274.20 and 197,459.60

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Solution

The fourth proportional to 226,720.40, 339,274.20 and 197,459.60 is: 295,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,720.40 : 339,274.20 = 197,459.60 : x
  2. Step 2: Convert to fraction form
    226,720.40/339,274.20 = 197,459.60/x
  3. Step 3: Cross multiply
    226,720.40x = 339,274.20 × 197,459.60
  4. Step 4: Simplify right side
    226,720.40x = 66,992,947,822.32
  5. Step 5: Solve for x
    x = 66,992,947,822.32/226,720.40
  6. Step 6: Final answer
    x = 295,487.07

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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.