Home / 347,754.48-479,907.27-194,791.35

Finding the Fourth Proportional to 347,754.48, 479,907.27 and 194,791.35

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Solution

The fourth proportional to 347,754.48, 479,907.27 and 194,791.35 is: 268,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,754.48 : 479,907.27 = 194,791.35 : x
  2. Step 2: Convert to fraction form
    347,754.48/479,907.27 = 194,791.35/x
  3. Step 3: Cross multiply
    347,754.48x = 479,907.27 × 194,791.35
  4. Step 4: Simplify right side
    347,754.48x = 93,481,784,998.11
  5. Step 5: Solve for x
    x = 93,481,784,998.11/347,754.48
  6. Step 6: Final answer
    x = 268,815.47

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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.