Home / 345,589.12-476,855.21-192,593.79

Finding the Fourth Proportional to 345,589.12, 476,855.21 and 192,593.79

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Solution

The fourth proportional to 345,589.12, 476,855.21 and 192,593.79 is: 265,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,589.12 : 476,855.21 = 192,593.79 : x
  2. Step 2: Convert to fraction form
    345,589.12/476,855.21 = 192,593.79/x
  3. Step 3: Cross multiply
    345,589.12x = 476,855.21 × 192,593.79
  4. Step 4: Simplify right side
    345,589.12x = 91,839,352,175.15
  5. Step 5: Solve for x
    x = 91,839,352,175.15/345,589.12
  6. Step 6: Final answer
    x = 265,747.23

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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.