Home / 220,673.40-331,010.10-132,199.80

Finding the Fourth Proportional to 220,673.40, 331,010.10 and 132,199.80

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Solution

The fourth proportional to 220,673.40, 331,010.10 and 132,199.80 is: 198,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,673.40 : 331,010.10 = 132,199.80 : x
  2. Step 2: Convert to fraction form
    220,673.40/331,010.10 = 132,199.80/x
  3. Step 3: Cross multiply
    220,673.40x = 331,010.10 × 132,199.80
  4. Step 4: Simplify right side
    220,673.40x = 43,759,469,017.98
  5. Step 5: Solve for x
    x = 43,759,469,017.98/220,673.40
  6. Step 6: Final answer
    x = 198,299.70

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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.