Home / 195,516.92-269,943.96-131,831.48

Finding the Fourth Proportional to 195,516.92, 269,943.96 and 131,831.48

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Solution

The fourth proportional to 195,516.92, 269,943.96 and 131,831.48 is: 182,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,516.92 : 269,943.96 = 131,831.48 : x
  2. Step 2: Convert to fraction form
    195,516.92/269,943.96 = 131,831.48/x
  3. Step 3: Cross multiply
    195,516.92x = 269,943.96 × 131,831.48
  4. Step 4: Simplify right side
    195,516.92x = 35,587,111,763.86
  5. Step 5: Solve for x
    x = 35,587,111,763.86/195,516.92
  6. Step 6: Final answer
    x = 182,015.51

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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.