Home / 132,893.88-199,236.18-66,299.76

Finding the Fourth Proportional to 132,893.88, 199,236.18 and 66,299.76

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Solution

The fourth proportional to 132,893.88, 199,236.18 and 66,299.76 is: 99,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,893.88 : 199,236.18 = 66,299.76 : x
  2. Step 2: Convert to fraction form
    132,893.88/199,236.18 = 66,299.76/x
  3. Step 3: Cross multiply
    132,893.88x = 199,236.18 × 66,299.76
  4. Step 4: Simplify right side
    132,893.88x = 13,209,310,917.32
  5. Step 5: Solve for x
    x = 13,209,310,917.32/132,893.88
  6. Step 6: Final answer
    x = 99,397.44

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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.