Home / 234,311.20-351,495.60-76,496.80

Finding the Fourth Proportional to 234,311.20, 351,495.60 and 76,496.80

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Solution

The fourth proportional to 234,311.20, 351,495.60 and 76,496.80 is: 114,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,311.20 : 351,495.60 = 76,496.80 : x
  2. Step 2: Convert to fraction form
    234,311.20/351,495.60 = 76,496.80/x
  3. Step 3: Cross multiply
    234,311.20x = 351,495.60 × 76,496.80
  4. Step 4: Simplify right side
    234,311.20x = 26,888,288,614.08
  5. Step 5: Solve for x
    x = 26,888,288,614.08/234,311.20
  6. Step 6: Final answer
    x = 114,754.60

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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.