Home / 132,823.40-199,343.90-131,786.60

Finding the Fourth Proportional to 132,823.40, 199,343.90 and 131,786.60

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Solution

The fourth proportional to 132,823.40, 199,343.90 and 131,786.60 is: 197,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,823.40 : 199,343.90 = 131,786.60 : x
  2. Step 2: Convert to fraction form
    132,823.40/199,343.90 = 131,786.60/x
  3. Step 3: Cross multiply
    132,823.40x = 199,343.90 × 131,786.60
  4. Step 4: Simplify right side
    132,823.40x = 26,270,854,811.74
  5. Step 5: Solve for x
    x = 26,270,854,811.74/132,823.40
  6. Step 6: Final answer
    x = 197,787.85

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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.