Home / 166,831.92-230,225.76-91,380.96

Finding the Fourth Proportional to 166,831.92, 230,225.76 and 91,380.96

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Solution

The fourth proportional to 166,831.92, 230,225.76 and 91,380.96 is: 126,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831.92 : 230,225.76 = 91,380.96 : x
  2. Step 2: Convert to fraction form
    166,831.92/230,225.76 = 91,380.96/x
  3. Step 3: Cross multiply
    166,831.92x = 230,225.76 × 91,380.96
  4. Step 4: Simplify right side
    166,831.92x = 21,038,250,965.53
  5. Step 5: Solve for x
    x = 21,038,250,965.53/166,831.92
  6. Step 6: Final answer
    x = 126,104.47

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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.