Home / 231,406.20-347,136.30-73,650.60

Finding the Fourth Proportional to 231,406.20, 347,136.30 and 73,650.60

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Solution

The fourth proportional to 231,406.20, 347,136.30 and 73,650.60 is: 110,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,406.20 : 347,136.30 = 73,650.60 : x
  2. Step 2: Convert to fraction form
    231,406.20/347,136.30 = 73,650.60/x
  3. Step 3: Cross multiply
    231,406.20x = 347,136.30 × 73,650.60
  4. Step 4: Simplify right side
    231,406.20x = 25,566,796,776.78
  5. Step 5: Solve for x
    x = 25,566,796,776.78/231,406.20
  6. Step 6: Final answer
    x = 110,484.49

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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.