Home / 120,795.16-181,105.20-60,860.56

Finding the Fourth Proportional to 120,795.16, 181,105.20 and 60,860.56

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Solution

The fourth proportional to 120,795.16, 181,105.20 and 60,860.56 is: 91,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,795.16 : 181,105.20 = 60,860.56 : x
  2. Step 2: Convert to fraction form
    120,795.16/181,105.20 = 60,860.56/x
  3. Step 3: Cross multiply
    120,795.16x = 181,105.20 × 60,860.56
  4. Step 4: Simplify right side
    120,795.16x = 11,022,163,890.91
  5. Step 5: Solve for x
    x = 11,022,163,890.91/120,795.16
  6. Step 6: Final answer
    x = 91,246.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.