Home / 373,285.44-515,136.24-203,522.40

Finding the Fourth Proportional to 373,285.44, 515,136.24 and 203,522.40

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Solution

The fourth proportional to 373,285.44, 515,136.24 and 203,522.40 is: 280,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,285.44 : 515,136.24 = 203,522.40 : x
  2. Step 2: Convert to fraction form
    373,285.44/515,136.24 = 203,522.40/x
  3. Step 3: Cross multiply
    373,285.44x = 515,136.24 × 203,522.40
  4. Step 4: Simplify right side
    373,285.44x = 104,841,763,891.78
  5. Step 5: Solve for x
    x = 104,841,763,891.78/373,285.44
  6. Step 6: Final answer
    x = 280,862.18

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1.5x scale

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.