Home / 148,039.20-221,410.80-132,357.60

Finding the Fourth Proportional to 148,039.20, 221,410.80 and 132,357.60

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Solution

The fourth proportional to 148,039.20, 221,410.80 and 132,357.60 is: 197,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,039.20 : 221,410.80 = 132,357.60 : x
  2. Step 2: Convert to fraction form
    148,039.20/221,410.80 = 132,357.60/x
  3. Step 3: Cross multiply
    148,039.20x = 221,410.80 × 132,357.60
  4. Step 4: Simplify right side
    148,039.20x = 29,305,402,102.08
  5. Step 5: Solve for x
    x = 29,305,402,102.08/148,039.20
  6. Step 6: Final answer
    x = 197,957.04

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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.