Home / 441,349.20-662,023.80-145,861.20

Finding the Fourth Proportional to 441,349.20, 662,023.80 and 145,861.20

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Solution

The fourth proportional to 441,349.20, 662,023.80 and 145,861.20 is: 218,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,349.20 : 662,023.80 = 145,861.20 : x
  2. Step 2: Convert to fraction form
    441,349.20/662,023.80 = 145,861.20/x
  3. Step 3: Cross multiply
    441,349.20x = 662,023.80 × 145,861.20
  4. Step 4: Simplify right side
    441,349.20x = 96,563,585,896.56
  5. Step 5: Solve for x
    x = 96,563,585,896.56/441,349.20
  6. Step 6: Final answer
    x = 218,791.80

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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.