Home / 132,922.40-199,383.60-131,172.80

Finding the Fourth Proportional to 132,922.40, 199,383.60 and 131,172.80

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Solution

The fourth proportional to 132,922.40, 199,383.60 and 131,172.80 is: 196,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.40 : 199,383.60 = 131,172.80 : x
  2. Step 2: Convert to fraction form
    132,922.40/199,383.60 = 131,172.80/x
  3. Step 3: Cross multiply
    132,922.40x = 199,383.60 × 131,172.80
  4. Step 4: Simplify right side
    132,922.40x = 26,153,705,086.08
  5. Step 5: Solve for x
    x = 26,153,705,086.08/132,922.40
  6. Step 6: Final answer
    x = 196,759.20

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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.