Home / 120,669.20-166,524.23-66,955.27

Finding the Fourth Proportional to 120,669.20, 166,524.23 and 66,955.27

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Solution

The fourth proportional to 120,669.20, 166,524.23 and 66,955.27 is: 92,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,669.20 : 166,524.23 = 66,955.27 : x
  2. Step 2: Convert to fraction form
    120,669.20/166,524.23 = 66,955.27/x
  3. Step 3: Cross multiply
    120,669.20x = 166,524.23 × 66,955.27
  4. Step 4: Simplify right side
    120,669.20x = 11,149,673,613.79
  5. Step 5: Solve for x
    x = 11,149,673,613.79/120,669.20
  6. Step 6: Final answer
    x = 92,398.67

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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.