Home / 228,922.20-343,350.90-71,166.60

Finding the Fourth Proportional to 228,922.20, 343,350.90 and 71,166.60

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Solution

The fourth proportional to 228,922.20, 343,350.90 and 71,166.60 is: 106,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,922.20 : 343,350.90 = 71,166.60 : x
  2. Step 2: Convert to fraction form
    228,922.20/343,350.90 = 71,166.60/x
  3. Step 3: Cross multiply
    228,922.20x = 343,350.90 × 71,166.60
  4. Step 4: Simplify right side
    228,922.20x = 24,435,116,159.94
  5. Step 5: Solve for x
    x = 24,435,116,159.94/228,922.20
  6. Step 6: Final answer
    x = 106,739.83

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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.