Home / 148,760.20-222,492.30-133,078.60

Finding the Fourth Proportional to 148,760.20, 222,492.30 and 133,078.60

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Solution

The fourth proportional to 148,760.20, 222,492.30 and 133,078.60 is: 199,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,760.20 : 222,492.30 = 133,078.60 : x
  2. Step 2: Convert to fraction form
    148,760.20/222,492.30 = 133,078.60/x
  3. Step 3: Cross multiply
    148,760.20x = 222,492.30 × 133,078.60
  4. Step 4: Simplify right side
    148,760.20x = 29,608,963,794.78
  5. Step 5: Solve for x
    x = 29,608,963,794.78/148,760.20
  6. Step 6: Final answer
    x = 199,038.21

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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.