Home / 345,470.20-476,744.04-192,514.84

Finding the Fourth Proportional to 345,470.20, 476,744.04 and 192,514.84

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Solution

The fourth proportional to 345,470.20, 476,744.04 and 192,514.84 is: 265,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,470.20 : 476,744.04 = 192,514.84 : x
  2. Step 2: Convert to fraction form
    345,470.20/476,744.04 = 192,514.84/x
  3. Step 3: Cross multiply
    345,470.20x = 476,744.04 × 192,514.84
  4. Step 4: Simplify right side
    345,470.20x = 91,780,302,581.55
  5. Step 5: Solve for x
    x = 91,780,302,581.55/345,470.20
  6. Step 6: Final answer
    x = 265,667.78

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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.