Home / 144,191.52-215,997.24-71,926.56

Finding the Fourth Proportional to 144,191.52, 215,997.24 and 71,926.56

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Solution

The fourth proportional to 144,191.52, 215,997.24 and 71,926.56 is: 107,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,191.52 : 215,997.24 = 71,926.56 : x
  2. Step 2: Convert to fraction form
    144,191.52/215,997.24 = 71,926.56/x
  3. Step 3: Cross multiply
    144,191.52x = 215,997.24 × 71,926.56
  4. Step 4: Simplify right side
    144,191.52x = 15,535,938,442.69
  5. Step 5: Solve for x
    x = 15,535,938,442.69/144,191.52
  6. Step 6: Final answer
    x = 107,745.16

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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.