Home / 144,296.43-199,126.14-79,768.39

Finding the Fourth Proportional to 144,296.43, 199,126.14 and 79,768.39

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Solution

The fourth proportional to 144,296.43, 199,126.14 and 79,768.39 is: 110,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,296.43 : 199,126.14 = 79,768.39 : x
  2. Step 2: Convert to fraction form
    144,296.43/199,126.14 = 79,768.39/x
  3. Step 3: Cross multiply
    144,296.43x = 199,126.14 × 79,768.39
  4. Step 4: Simplify right side
    144,296.43x = 15,883,971,843.62
  5. Step 5: Solve for x
    x = 15,883,971,843.62/144,296.43
  6. Step 6: Final answer
    x = 110,078.76

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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.