Home / 132,669.60-199,004.40-43,936.80

Finding the Fourth Proportional to 132,669.60, 199,004.40 and 43,936.80

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Solution

The fourth proportional to 132,669.60, 199,004.40 and 43,936.80 is: 65,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,669.60 : 199,004.40 = 43,936.80 : x
  2. Step 2: Convert to fraction form
    132,669.60/199,004.40 = 43,936.80/x
  3. Step 3: Cross multiply
    132,669.60x = 199,004.40 × 43,936.80
  4. Step 4: Simplify right side
    132,669.60x = 8,743,616,521.92
  5. Step 5: Solve for x
    x = 8,743,616,521.92/132,669.60
  6. Step 6: Final answer
    x = 65,905.20

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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.