Home / 148,112.20-221,520.30-132,430.60

Finding the Fourth Proportional to 148,112.20, 221,520.30 and 132,430.60

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Solution

The fourth proportional to 148,112.20, 221,520.30 and 132,430.60 is: 198,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,112.20 : 221,520.30 = 132,430.60 : x
  2. Step 2: Convert to fraction form
    148,112.20/221,520.30 = 132,430.60/x
  3. Step 3: Cross multiply
    148,112.20x = 221,520.30 × 132,430.60
  4. Step 4: Simplify right side
    148,112.20x = 29,336,066,241.18
  5. Step 5: Solve for x
    x = 29,336,066,241.18/148,112.20
  6. Step 6: Final answer
    x = 198,066.51

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1.5x scale

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.