Home / 144,725.94-199,716-81,060.48

Finding the Fourth Proportional to 144,725.94, 199,716 and 81,060.48

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Solution

The fourth proportional to 144,725.94, 199,716 and 81,060.48 is: 111,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,725.94 : 199,716 = 81,060.48 : x
  2. Step 2: Convert to fraction form
    144,725.94/199,716 = 81,060.48/x
  3. Step 3: Cross multiply
    144,725.94x = 199,716 × 81,060.48
  4. Step 4: Simplify right side
    144,725.94x = 16,189,074,823.68
  5. Step 5: Solve for x
    x = 16,189,074,823.68/144,725.94
  6. Step 6: Final answer
    x = 111,860.22

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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.