Home / 221,812.20-332,280.90-132,801.30

Finding the Fourth Proportional to 221,812.20, 332,280.90 and 132,801.30

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Solution

The fourth proportional to 221,812.20, 332,280.90 and 132,801.30 is: 198,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,812.20 : 332,280.90 = 132,801.30 : x
  2. Step 2: Convert to fraction form
    221,812.20/332,280.90 = 132,801.30/x
  3. Step 3: Cross multiply
    221,812.20x = 332,280.90 × 132,801.30
  4. Step 4: Simplify right side
    221,812.20x = 44,127,335,485.17
  5. Step 5: Solve for x
    x = 44,127,335,485.17/221,812.20
  6. Step 6: Final answer
    x = 198,940.07

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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.