Home / 132,822.40-199,342.40-131,785.60

Finding the Fourth Proportional to 132,822.40, 199,342.40 and 131,785.60

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Solution

The fourth proportional to 132,822.40, 199,342.40 and 131,785.60 is: 197,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,822.40 : 199,342.40 = 131,785.60 : x
  2. Step 2: Convert to fraction form
    132,822.40/199,342.40 = 131,785.60/x
  3. Step 3: Cross multiply
    132,822.40x = 199,342.40 × 131,785.60
  4. Step 4: Simplify right side
    132,822.40x = 26,270,457,789.44
  5. Step 5: Solve for x
    x = 26,270,457,789.44/132,822.40
  6. Step 6: Final answer
    x = 197,786.35

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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.