Home / 240,940.20-361,151.10-91,122.60

Finding the Fourth Proportional to 240,940.20, 361,151.10 and 91,122.60

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Solution

The fourth proportional to 240,940.20, 361,151.10 and 91,122.60 is: 136,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,940.20 : 361,151.10 = 91,122.60 : x
  2. Step 2: Convert to fraction form
    240,940.20/361,151.10 = 91,122.60/x
  3. Step 3: Cross multiply
    240,940.20x = 361,151.10 × 91,122.60
  4. Step 4: Simplify right side
    240,940.20x = 32,909,027,224.86
  5. Step 5: Solve for x
    x = 32,909,027,224.86/240,940.20
  6. Step 6: Final answer
    x = 136,585.87

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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.