Home / 166,201.94-229,357.76-90,749.90

Finding the Fourth Proportional to 166,201.94, 229,357.76 and 90,749.90

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Solution

The fourth proportional to 166,201.94, 229,357.76 and 90,749.90 is: 125,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,201.94 : 229,357.76 = 90,749.90 : x
  2. Step 2: Convert to fraction form
    166,201.94/229,357.76 = 90,749.90/x
  3. Step 3: Cross multiply
    166,201.94x = 229,357.76 × 90,749.90
  4. Step 4: Simplify right side
    166,201.94x = 20,814,193,784.22
  5. Step 5: Solve for x
    x = 20,814,193,784.22/166,201.94
  6. Step 6: Final answer
    x = 125,234.36

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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.