Home / 345,104.35-476,240.21-192,139.19

Finding the Fourth Proportional to 345,104.35, 476,240.21 and 192,139.19

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Solution

The fourth proportional to 345,104.35, 476,240.21 and 192,139.19 is: 265,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,104.35 : 476,240.21 = 192,139.19 : x
  2. Step 2: Convert to fraction form
    345,104.35/476,240.21 = 192,139.19/x
  3. Step 3: Cross multiply
    345,104.35x = 476,240.21 × 192,139.19
  4. Step 4: Simplify right side
    345,104.35x = 91,504,407,359.36
  5. Step 5: Solve for x
    x = 91,504,407,359.36/345,104.35
  6. Step 6: Final answer
    x = 265,149.97

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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.