Home / 219,768.72-303,229.96-148,281.36

Finding the Fourth Proportional to 219,768.72, 303,229.96 and 148,281.36

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Solution

The fourth proportional to 219,768.72, 303,229.96 and 148,281.36 is: 204,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,768.72 : 303,229.96 = 148,281.36 : x
  2. Step 2: Convert to fraction form
    219,768.72/303,229.96 = 148,281.36/x
  3. Step 3: Cross multiply
    219,768.72x = 303,229.96 × 148,281.36
  4. Step 4: Simplify right side
    219,768.72x = 44,963,350,861.55
  5. Step 5: Solve for x
    x = 44,963,350,861.55/219,768.72
  6. Step 6: Final answer
    x = 204,593.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.