Home / 140,261.27-193,553.27-79,831.72

Finding the Fourth Proportional to 140,261.27, 193,553.27 and 79,831.72

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Solution

The fourth proportional to 140,261.27, 193,553.27 and 79,831.72 is: 110,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,261.27 : 193,553.27 = 79,831.72 : x
  2. Step 2: Convert to fraction form
    140,261.27/193,553.27 = 79,831.72/x
  3. Step 3: Cross multiply
    140,261.27x = 193,553.27 × 79,831.72
  4. Step 4: Simplify right side
    140,261.27x = 15,451,689,572.68
  5. Step 5: Solve for x
    x = 15,451,689,572.68/140,261.27
  6. Step 6: Final answer
    x = 110,163.63

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1.5x scale

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.