Home / 132,877.44-199,090.62-80,176.20

Finding the Fourth Proportional to 132,877.44, 199,090.62 and 80,176.20

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Solution

The fourth proportional to 132,877.44, 199,090.62 and 80,176.20 is: 120,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.44 : 199,090.62 = 80,176.20 : x
  2. Step 2: Convert to fraction form
    132,877.44/199,090.62 = 80,176.20/x
  3. Step 3: Cross multiply
    132,877.44x = 199,090.62 × 80,176.20
  4. Step 4: Simplify right side
    132,877.44x = 15,962,329,367.24
  5. Step 5: Solve for x
    x = 15,962,329,367.24/132,877.44
  6. Step 6: Final answer
    x = 120,128.21

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1.5x scale

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.