Home / 166,192-229,346.08-90,741.44

Finding the Fourth Proportional to 166,192, 229,346.08 and 90,741.44

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Solution

The fourth proportional to 166,192, 229,346.08 and 90,741.44 is: 125,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,192 : 229,346.08 = 90,741.44 : x
  2. Step 2: Convert to fraction form
    166,192/229,346.08 = 90,741.44/x
  3. Step 3: Cross multiply
    166,192x = 229,346.08 × 90,741.44
  4. Step 4: Simplify right side
    166,192x = 20,811,193,557.56
  5. Step 5: Solve for x
    x = 20,811,193,557.56/166,192
  6. Step 6: Final answer
    x = 125,223.80

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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.