Home / 319,433.98-479,047.24-106,144.60

Finding the Fourth Proportional to 319,433.98, 479,047.24 and 106,144.60

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Solution

The fourth proportional to 319,433.98, 479,047.24 and 106,144.60 is: 159,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,433.98 : 479,047.24 = 106,144.60 : x
  2. Step 2: Convert to fraction form
    319,433.98/479,047.24 = 106,144.60/x
  3. Step 3: Cross multiply
    319,433.98x = 479,047.24 × 106,144.60
  4. Step 4: Simplify right side
    319,433.98x = 50,848,277,670.90
  5. Step 5: Solve for x
    x = 50,848,277,670.90/319,433.98
  6. Step 6: Final answer
    x = 159,182.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.