Home / 159,676.42-220,343.38-91,645.50

Finding the Fourth Proportional to 159,676.42, 220,343.38 and 91,645.50

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Solution

The fourth proportional to 159,676.42, 220,343.38 and 91,645.50 is: 126,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,676.42 : 220,343.38 = 91,645.50 : x
  2. Step 2: Convert to fraction form
    159,676.42/220,343.38 = 91,645.50/x
  3. Step 3: Cross multiply
    159,676.42x = 220,343.38 × 91,645.50
  4. Step 4: Simplify right side
    159,676.42x = 20,193,479,231.79
  5. Step 5: Solve for x
    x = 20,193,479,231.79/159,676.42
  6. Step 6: Final answer
    x = 126,465.00

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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.