Home / 231,768.45-347,585.72-105,338.25

Finding the Fourth Proportional to 231,768.45, 347,585.72 and 105,338.25

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Solution

The fourth proportional to 231,768.45, 347,585.72 and 105,338.25 is: 157,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,768.45 : 347,585.72 = 105,338.25 : x
  2. Step 2: Convert to fraction form
    231,768.45/347,585.72 = 105,338.25/x
  3. Step 3: Cross multiply
    231,768.45x = 347,585.72 × 105,338.25
  4. Step 4: Simplify right side
    231,768.45x = 36,614,070,943.10
  5. Step 5: Solve for x
    x = 36,614,070,943.10/231,768.45
  6. Step 6: Final answer
    x = 157,976.94

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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.