Home / 140,190.45-193,460.30-79,759.79

Finding the Fourth Proportional to 140,190.45, 193,460.30 and 79,759.79

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Solution

The fourth proportional to 140,190.45, 193,460.30 and 79,759.79 is: 110,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,190.45 : 193,460.30 = 79,759.79 : x
  2. Step 2: Convert to fraction form
    140,190.45/193,460.30 = 79,759.79/x
  3. Step 3: Cross multiply
    140,190.45x = 193,460.30 × 79,759.79
  4. Step 4: Simplify right side
    140,190.45x = 15,430,352,559.81
  5. Step 5: Solve for x
    x = 15,430,352,559.81/140,190.45
  6. Step 6: Final answer
    x = 110,067.08

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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.