Home / 347,311.25-479,309.62-194,348.11

Finding the Fourth Proportional to 347,311.25, 479,309.62 and 194,348.11

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Solution

The fourth proportional to 347,311.25, 479,309.62 and 194,348.11 is: 268,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,311.25 : 479,309.62 = 194,348.11 : x
  2. Step 2: Convert to fraction form
    347,311.25/479,309.62 = 194,348.11/x
  3. Step 3: Cross multiply
    347,311.25x = 479,309.62 × 194,348.11
  4. Step 4: Simplify right side
    347,311.25x = 93,152,916,824.74
  5. Step 5: Solve for x
    x = 93,152,916,824.74/347,311.25
  6. Step 6: Final answer
    x = 268,211.63

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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.