Home / 132,868.27-199,197.15-66,274.12

Finding the Fourth Proportional to 132,868.27, 199,197.15 and 66,274.12

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Solution

The fourth proportional to 132,868.27, 199,197.15 and 66,274.12 is: 99,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868.27 : 199,197.15 = 66,274.12 : x
  2. Step 2: Convert to fraction form
    132,868.27/199,197.15 = 66,274.12/x
  3. Step 3: Cross multiply
    132,868.27x = 199,197.15 × 66,274.12
  4. Step 4: Simplify right side
    132,868.27x = 13,201,614,826.77
  5. Step 5: Solve for x
    x = 13,201,614,826.77/132,868.27
  6. Step 6: Final answer
    x = 99,358.68

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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.