Home / 140,180.09-193,452.91-79,759.43

Finding the Fourth Proportional to 140,180.09, 193,452.91 and 79,759.43

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Solution

The fourth proportional to 140,180.09, 193,452.91 and 79,759.43 is: 110,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,180.09 : 193,452.91 = 79,759.43 : x
  2. Step 2: Convert to fraction form
    140,180.09/193,452.91 = 79,759.43/x
  3. Step 3: Cross multiply
    140,180.09x = 193,452.91 × 79,759.43
  4. Step 4: Simplify right side
    140,180.09x = 15,429,694,480.40
  5. Step 5: Solve for x
    x = 15,429,694,480.40/140,180.09
  6. Step 6: Final answer
    x = 110,070.51

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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.