Home / 345,315.20-476,425.31-194,383.04

Finding the Fourth Proportional to 345,315.20, 476,425.31 and 194,383.04

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Solution

The fourth proportional to 345,315.20, 476,425.31 and 194,383.04 is: 268,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,315.20 : 476,425.31 = 194,383.04 : x
  2. Step 2: Convert to fraction form
    345,315.20/476,425.31 = 194,383.04/x
  3. Step 3: Cross multiply
    345,315.20x = 476,425.31 × 194,383.04
  4. Step 4: Simplify right side
    345,315.20x = 92,608,996,736.70
  5. Step 5: Solve for x
    x = 92,608,996,736.70/345,315.20
  6. Step 6: Final answer
    x = 268,186.86

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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.