Home / 231,635.10-347,452.65-228,135.90

Finding the Fourth Proportional to 231,635.10, 347,452.65 and 228,135.90

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Solution

The fourth proportional to 231,635.10, 347,452.65 and 228,135.90 is: 342,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,635.10 : 347,452.65 = 228,135.90 : x
  2. Step 2: Convert to fraction form
    231,635.10/347,452.65 = 228,135.90/x
  3. Step 3: Cross multiply
    231,635.10x = 347,452.65 × 228,135.90
  4. Step 4: Simplify right side
    231,635.10x = 79,266,423,015.14
  5. Step 5: Solve for x
    x = 79,266,423,015.14/231,635.10
  6. Step 6: Final answer
    x = 342,203.85

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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.