Home / 166,831.68-230,230.71-91,375.32

Finding the Fourth Proportional to 166,831.68, 230,230.71 and 91,375.32

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Solution

The fourth proportional to 166,831.68, 230,230.71 and 91,375.32 is: 126,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831.68 : 230,230.71 = 91,375.32 : x
  2. Step 2: Convert to fraction form
    166,831.68/230,230.71 = 91,375.32/x
  3. Step 3: Cross multiply
    166,831.68x = 230,230.71 × 91,375.32
  4. Step 4: Simplify right side
    166,831.68x = 21,037,404,800.08
  5. Step 5: Solve for x
    x = 21,037,404,800.08/166,831.68
  6. Step 6: Final answer
    x = 126,099.58

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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.