Home / 166,601.21-229,915.41-91,149.71

Finding the Fourth Proportional to 166,601.21, 229,915.41 and 91,149.71

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Solution

The fourth proportional to 166,601.21, 229,915.41 and 91,149.71 is: 125,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,601.21 : 229,915.41 = 91,149.71 : x
  2. Step 2: Convert to fraction form
    166,601.21/229,915.41 = 91,149.71/x
  3. Step 3: Cross multiply
    166,601.21x = 229,915.41 × 91,149.71
  4. Step 4: Simplify right side
    166,601.21x = 20,956,722,946.03
  5. Step 5: Solve for x
    x = 20,956,722,946.03/166,601.21
  6. Step 6: Final answer
    x = 125,789.74

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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.