Home / 172,831.14-259,238.07-67,669.38

Finding the Fourth Proportional to 172,831.14, 259,238.07 and 67,669.38

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Solution

The fourth proportional to 172,831.14, 259,238.07 and 67,669.38 is: 101,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,831.14 : 259,238.07 = 67,669.38 : x
  2. Step 2: Convert to fraction form
    172,831.14/259,238.07 = 67,669.38/x
  3. Step 3: Cross multiply
    172,831.14x = 259,238.07 × 67,669.38
  4. Step 4: Simplify right side
    172,831.14x = 17,542,479,469.30
  5. Step 5: Solve for x
    x = 17,542,479,469.30/172,831.14
  6. Step 6: Final answer
    x = 101,500.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.