Home / 140,352.35-193,686.03-79,923

Finding the Fourth Proportional to 140,352.35, 193,686.03 and 79,923

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Solution

The fourth proportional to 140,352.35, 193,686.03 and 79,923 is: 110,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,352.35 : 193,686.03 = 79,923 : x
  2. Step 2: Convert to fraction form
    140,352.35/193,686.03 = 79,923/x
  3. Step 3: Cross multiply
    140,352.35x = 193,686.03 × 79,923
  4. Step 4: Simplify right side
    140,352.35x = 15,479,968,575.69
  5. Step 5: Solve for x
    x = 15,479,968,575.69/140,352.35
  6. Step 6: Final answer
    x = 110,293.62

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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.