Home / 140,190.39-193,460.24-79,759.74

Finding the Fourth Proportional to 140,190.39, 193,460.24 and 79,759.74

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Solution

The fourth proportional to 140,190.39, 193,460.24 and 79,759.74 is: 110,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,190.39 : 193,460.24 = 79,759.74 : x
  2. Step 2: Convert to fraction form
    140,190.39/193,460.24 = 79,759.74/x
  3. Step 3: Cross multiply
    140,190.39x = 193,460.24 × 79,759.74
  4. Step 4: Simplify right side
    140,190.39x = 15,430,338,043.94
  5. Step 5: Solve for x
    x = 15,430,338,043.94/140,190.39
  6. Step 6: Final answer
    x = 110,067.02

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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.