Home / 120,589.40-166,221.56-95,054.34

Finding the Fourth Proportional to 120,589.40, 166,221.56 and 95,054.34

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Solution

The fourth proportional to 120,589.40, 166,221.56 and 95,054.34 is: 131,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,589.40 : 166,221.56 = 95,054.34 : x
  2. Step 2: Convert to fraction form
    120,589.40/166,221.56 = 95,054.34/x
  3. Step 3: Cross multiply
    120,589.40x = 166,221.56 × 95,054.34
  4. Step 4: Simplify right side
    120,589.40x = 15,800,080,679.57
  5. Step 5: Solve for x
    x = 15,800,080,679.57/120,589.40
  6. Step 6: Final answer
    x = 131,023.79

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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.