Home / 228,814.20-343,221.30-71,058.60

Finding the Fourth Proportional to 228,814.20, 343,221.30 and 71,058.60

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Solution

The fourth proportional to 228,814.20, 343,221.30 and 71,058.60 is: 106,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,814.20 : 343,221.30 = 71,058.60 : x
  2. Step 2: Convert to fraction form
    228,814.20/343,221.30 = 71,058.60/x
  3. Step 3: Cross multiply
    228,814.20x = 343,221.30 × 71,058.60
  4. Step 4: Simplify right side
    228,814.20x = 24,388,825,068.18
  5. Step 5: Solve for x
    x = 24,388,825,068.18/228,814.20
  6. Step 6: Final answer
    x = 106,587.90

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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.