Home / 220,136.20-329,912.70-195,058.60

Finding the Fourth Proportional to 220,136.20, 329,912.70 and 195,058.60

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Solution

The fourth proportional to 220,136.20, 329,912.70 and 195,058.60 is: 292,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,136.20 : 329,912.70 = 195,058.60 : x
  2. Step 2: Convert to fraction form
    220,136.20/329,912.70 = 195,058.60/x
  3. Step 3: Cross multiply
    220,136.20x = 329,912.70 × 195,058.60
  4. Step 4: Simplify right side
    220,136.20x = 64,352,309,384.22
  5. Step 5: Solve for x
    x = 64,352,309,384.22/220,136.20
  6. Step 6: Final answer
    x = 292,329.52

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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.