Home / 332,851.20-499,341.60-143,311.20

Finding the Fourth Proportional to 332,851.20, 499,341.60 and 143,311.20

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Solution

The fourth proportional to 332,851.20, 499,341.60 and 143,311.20 is: 214,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,851.20 : 499,341.60 = 143,311.20 : x
  2. Step 2: Convert to fraction form
    332,851.20/499,341.60 = 143,311.20/x
  3. Step 3: Cross multiply
    332,851.20x = 499,341.60 × 143,311.20
  4. Step 4: Simplify right side
    332,851.20x = 71,561,243,905.92
  5. Step 5: Solve for x
    x = 71,561,243,905.92/332,851.20
  6. Step 6: Final answer
    x = 214,994.70

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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.