Home / 445,033.43-667,636.07-145,433.19

Finding the Fourth Proportional to 445,033.43, 667,636.07 and 145,433.19

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Solution

The fourth proportional to 445,033.43, 667,636.07 and 145,433.19 is: 218,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,033.43 : 667,636.07 = 145,433.19 : x
  2. Step 2: Convert to fraction form
    445,033.43/667,636.07 = 145,433.19/x
  3. Step 3: Cross multiply
    445,033.43x = 667,636.07 × 145,433.19
  4. Step 4: Simplify right side
    445,033.43x = 97,096,442,692.00
  5. Step 5: Solve for x
    x = 97,096,442,692.00/445,033.43
  6. Step 6: Final answer
    x = 218,177.87

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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.