Home / 140,353.40-193,666.22-79,926.52

Finding the Fourth Proportional to 140,353.40, 193,666.22 and 79,926.52

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Solution

The fourth proportional to 140,353.40, 193,666.22 and 79,926.52 is: 110,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,353.40 : 193,666.22 = 79,926.52 : x
  2. Step 2: Convert to fraction form
    140,353.40/193,666.22 = 79,926.52/x
  3. Step 3: Cross multiply
    140,353.40x = 193,666.22 × 79,926.52
  4. Step 4: Simplify right side
    140,353.40x = 15,479,067,006.15
  5. Step 5: Solve for x
    x = 15,479,067,006.15/140,353.40
  6. Step 6: Final answer
    x = 110,286.37

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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.