Home / 120,735.20-181,102.79-41,849.42

Finding the Fourth Proportional to 120,735.20, 181,102.79 and 41,849.42

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Solution

The fourth proportional to 120,735.20, 181,102.79 and 41,849.42 is: 62,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,735.20 : 181,102.79 = 41,849.42 : x
  2. Step 2: Convert to fraction form
    120,735.20/181,102.79 = 41,849.42/x
  3. Step 3: Cross multiply
    120,735.20x = 181,102.79 × 41,849.42
  4. Step 4: Simplify right side
    120,735.20x = 7,579,046,721.88
  5. Step 5: Solve for x
    x = 7,579,046,721.88/120,735.20
  6. Step 6: Final answer
    x = 62,774.13

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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.