Home / 231,383.45-347,007.09-104,950.55

Finding the Fourth Proportional to 231,383.45, 347,007.09 and 104,950.55

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Solution

The fourth proportional to 231,383.45, 347,007.09 and 104,950.55 is: 157,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,383.45 : 347,007.09 = 104,950.55 : x
  2. Step 2: Convert to fraction form
    231,383.45/347,007.09 = 104,950.55/x
  3. Step 3: Cross multiply
    231,383.45x = 347,007.09 × 104,950.55
  4. Step 4: Simplify right side
    231,383.45x = 36,418,584,949.40
  5. Step 5: Solve for x
    x = 36,418,584,949.40/231,383.45
  6. Step 6: Final answer
    x = 157,394.94

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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.