Home / 332,849.20-499,338.60-143,309.20

Finding the Fourth Proportional to 332,849.20, 499,338.60 and 143,309.20

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Solution

The fourth proportional to 332,849.20, 499,338.60 and 143,309.20 is: 214,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,849.20 : 499,338.60 = 143,309.20 : x
  2. Step 2: Convert to fraction form
    332,849.20/499,338.60 = 143,309.20/x
  3. Step 3: Cross multiply
    332,849.20x = 499,338.60 × 143,309.20
  4. Step 4: Simplify right side
    332,849.20x = 71,559,815,295.12
  5. Step 5: Solve for x
    x = 71,559,815,295.12/332,849.20
  6. Step 6: Final answer
    x = 214,991.70

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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.