Home / 173,136.20-259,704.30-162,638.60

Finding the Fourth Proportional to 173,136.20, 259,704.30 and 162,638.60

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Solution

The fourth proportional to 173,136.20, 259,704.30 and 162,638.60 is: 243,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,136.20 : 259,704.30 = 162,638.60 : x
  2. Step 2: Convert to fraction form
    173,136.20/259,704.30 = 162,638.60/x
  3. Step 3: Cross multiply
    173,136.20x = 259,704.30 × 162,638.60
  4. Step 4: Simplify right side
    173,136.20x = 42,237,943,765.98
  5. Step 5: Solve for x
    x = 42,237,943,765.98/173,136.20
  6. Step 6: Final answer
    x = 243,957.90

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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.