Home / 144,867.78-200,003.58-91,198.80

Finding the Fourth Proportional to 144,867.78, 200,003.58 and 91,198.80

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Solution

The fourth proportional to 144,867.78, 200,003.58 and 91,198.80 is: 125,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.78 : 200,003.58 = 91,198.80 : x
  2. Step 2: Convert to fraction form
    144,867.78/200,003.58 = 91,198.80/x
  3. Step 3: Cross multiply
    144,867.78x = 200,003.58 × 91,198.80
  4. Step 4: Simplify right side
    144,867.78x = 18,240,086,491.70
  5. Step 5: Solve for x
    x = 18,240,086,491.70/144,867.78
  6. Step 6: Final answer
    x = 125,908.51

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1.5x scale

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.