Home / 132,108.40-198,198.37-94,205.57

Finding the Fourth Proportional to 132,108.40, 198,198.37 and 94,205.57

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Solution

The fourth proportional to 132,108.40, 198,198.37 and 94,205.57 is: 141,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108.40 : 198,198.37 = 94,205.57 : x
  2. Step 2: Convert to fraction form
    132,108.40/198,198.37 = 94,205.57/x
  3. Step 3: Cross multiply
    132,108.40x = 198,198.37 × 94,205.57
  4. Step 4: Simplify right side
    132,108.40x = 18,671,390,418.92
  5. Step 5: Solve for x
    x = 18,671,390,418.92/132,108.40
  6. Step 6: Final answer
    x = 141,333.86

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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.