Home / 140,006.58-193,204.92-79,583.82

Finding the Fourth Proportional to 140,006.58, 193,204.92 and 79,583.82

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Solution

The fourth proportional to 140,006.58, 193,204.92 and 79,583.82 is: 109,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006.58 : 193,204.92 = 79,583.82 : x
  2. Step 2: Convert to fraction form
    140,006.58/193,204.92 = 79,583.82/x
  3. Step 3: Cross multiply
    140,006.58x = 193,204.92 × 79,583.82
  4. Step 4: Simplify right side
    140,006.58x = 15,375,985,576.39
  5. Step 5: Solve for x
    x = 15,375,985,576.39/140,006.58
  6. Step 6: Final answer
    x = 109,823.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.