Home / 144,991.46-200,074.77-81,316.94

Finding the Fourth Proportional to 144,991.46, 200,074.77 and 81,316.94

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Solution

The fourth proportional to 144,991.46, 200,074.77 and 81,316.94 is: 112,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,991.46 : 200,074.77 = 81,316.94 : x
  2. Step 2: Convert to fraction form
    144,991.46/200,074.77 = 81,316.94/x
  3. Step 3: Cross multiply
    144,991.46x = 200,074.77 × 81,316.94
  4. Step 4: Simplify right side
    144,991.46x = 16,269,468,067.60
  5. Step 5: Solve for x
    x = 16,269,468,067.60/144,991.46
  6. Step 6: Final answer
    x = 112,209.84

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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.