Home / 132,018.68-198,046.85-43,253.21

Finding the Fourth Proportional to 132,018.68, 198,046.85 and 43,253.21

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Solution

The fourth proportional to 132,018.68, 198,046.85 and 43,253.21 is: 64,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,018.68 : 198,046.85 = 43,253.21 : x
  2. Step 2: Convert to fraction form
    132,018.68/198,046.85 = 43,253.21/x
  3. Step 3: Cross multiply
    132,018.68x = 198,046.85 × 43,253.21
  4. Step 4: Simplify right side
    132,018.68x = 8,566,160,786.39
  5. Step 5: Solve for x
    x = 8,566,160,786.39/132,018.68
  6. Step 6: Final answer
    x = 64,885.98

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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.