Home / 148,054.20-221,433.30-132,372.60

Finding the Fourth Proportional to 148,054.20, 221,433.30 and 132,372.60

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Solution

The fourth proportional to 148,054.20, 221,433.30 and 132,372.60 is: 197,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,054.20 : 221,433.30 = 132,372.60 : x
  2. Step 2: Convert to fraction form
    148,054.20/221,433.30 = 132,372.60/x
  3. Step 3: Cross multiply
    148,054.20x = 221,433.30 × 132,372.60
  4. Step 4: Simplify right side
    148,054.20x = 29,311,701,647.58
  5. Step 5: Solve for x
    x = 29,311,701,647.58/148,054.20
  6. Step 6: Final answer
    x = 197,979.53

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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.