Home / 140,080.62-193,294.44-79,651.38

Finding the Fourth Proportional to 140,080.62, 193,294.44 and 79,651.38

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Solution

The fourth proportional to 140,080.62, 193,294.44 and 79,651.38 is: 109,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,080.62 : 193,294.44 = 79,651.38 : x
  2. Step 2: Convert to fraction form
    140,080.62/193,294.44 = 79,651.38/x
  3. Step 3: Cross multiply
    140,080.62x = 193,294.44 × 79,651.38
  4. Step 4: Simplify right side
    140,080.62x = 15,396,168,892.33
  5. Step 5: Solve for x
    x = 15,396,168,892.33/140,080.62
  6. Step 6: Final answer
    x = 109,909.34

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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.