Home / 144,634.68-199,596.15-80,973.54

Finding the Fourth Proportional to 144,634.68, 199,596.15 and 80,973.54

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Solution

The fourth proportional to 144,634.68, 199,596.15 and 80,973.54 is: 111,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,634.68 : 199,596.15 = 80,973.54 : x
  2. Step 2: Convert to fraction form
    144,634.68/199,596.15 = 80,973.54/x
  3. Step 3: Cross multiply
    144,634.68x = 199,596.15 × 80,973.54
  4. Step 4: Simplify right side
    144,634.68x = 16,162,006,835.87
  5. Step 5: Solve for x
    x = 16,162,006,835.87/144,634.68
  6. Step 6: Final answer
    x = 111,743.65

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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.