Home / 347,517.91-479,548.20-194,521.06

Finding the Fourth Proportional to 347,517.91, 479,548.20 and 194,521.06

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Solution

The fourth proportional to 347,517.91, 479,548.20 and 194,521.06 is: 268,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,517.91 : 479,548.20 = 194,521.06 : x
  2. Step 2: Convert to fraction form
    347,517.91/479,548.20 = 194,521.06/x
  3. Step 3: Cross multiply
    347,517.91x = 479,548.20 × 194,521.06
  4. Step 4: Simplify right side
    347,517.91x = 93,282,221,787.35
  5. Step 5: Solve for x
    x = 93,282,221,787.35/347,517.91
  6. Step 6: Final answer
    x = 268,424.22

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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.