Home / 140,257.20-193,556.48-76,596.87

Finding the Fourth Proportional to 140,257.20, 193,556.48 and 76,596.87

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Solution

The fourth proportional to 140,257.20, 193,556.48 and 76,596.87 is: 105,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,257.20 : 193,556.48 = 76,596.87 : x
  2. Step 2: Convert to fraction form
    140,257.20/193,556.48 = 76,596.87/x
  3. Step 3: Cross multiply
    140,257.20x = 193,556.48 × 76,596.87
  4. Step 4: Simplify right side
    140,257.20x = 14,825,820,153.23
  5. Step 5: Solve for x
    x = 14,825,820,153.23/140,257.20
  6. Step 6: Final answer
    x = 105,704.52

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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.