Home / 132,901.30-199,126.33-80,200.07

Finding the Fourth Proportional to 132,901.30, 199,126.33 and 80,200.07

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Solution

The fourth proportional to 132,901.30, 199,126.33 and 80,200.07 is: 120,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901.30 : 199,126.33 = 80,200.07 : x
  2. Step 2: Convert to fraction form
    132,901.30/199,126.33 = 80,200.07/x
  3. Step 3: Cross multiply
    132,901.30x = 199,126.33 × 80,200.07
  4. Step 4: Simplify right side
    132,901.30x = 15,969,944,408.71
  5. Step 5: Solve for x
    x = 15,969,944,408.71/132,901.30
  6. Step 6: Final answer
    x = 120,163.95

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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.