Home / 132,877.94-199,091.37-80,176.70

Finding the Fourth Proportional to 132,877.94, 199,091.37 and 80,176.70

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Solution

The fourth proportional to 132,877.94, 199,091.37 and 80,176.70 is: 120,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.94 : 199,091.37 = 80,176.70 : x
  2. Step 2: Convert to fraction form
    132,877.94/199,091.37 = 80,176.70/x
  3. Step 3: Cross multiply
    132,877.94x = 199,091.37 × 80,176.70
  4. Step 4: Simplify right side
    132,877.94x = 15,962,489,045.08
  5. Step 5: Solve for x
    x = 15,962,489,045.08/132,877.94
  6. Step 6: Final answer
    x = 120,128.96

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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.