Home / 275,989.20-413,983.80-118,233.60

Finding the Fourth Proportional to 275,989.20, 413,983.80 and 118,233.60

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Solution

The fourth proportional to 275,989.20, 413,983.80 and 118,233.60 is: 177,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,989.20 : 413,983.80 = 118,233.60 : x
  2. Step 2: Convert to fraction form
    275,989.20/413,983.80 = 118,233.60/x
  3. Step 3: Cross multiply
    275,989.20x = 413,983.80 × 118,233.60
  4. Step 4: Simplify right side
    275,989.20x = 48,946,795,015.68
  5. Step 5: Solve for x
    x = 48,946,795,015.68/275,989.20
  6. Step 6: Final answer
    x = 177,350.40

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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.