Home / 132,043.57-198,063.02-121,758.39

Finding the Fourth Proportional to 132,043.57, 198,063.02 and 121,758.39

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Solution

The fourth proportional to 132,043.57, 198,063.02 and 121,758.39 is: 182,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,043.57 : 198,063.02 = 121,758.39 : x
  2. Step 2: Convert to fraction form
    132,043.57/198,063.02 = 121,758.39/x
  3. Step 3: Cross multiply
    132,043.57x = 198,063.02 × 121,758.39
  4. Step 4: Simplify right side
    132,043.57x = 24,115,834,738.13
  5. Step 5: Solve for x
    x = 24,115,834,738.13/132,043.57
  6. Step 6: Final answer
    x = 182,635.44

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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.