Home / 231,608.18-347,359.97-117,640.56

Finding the Fourth Proportional to 231,608.18, 347,359.97 and 117,640.56

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Solution

The fourth proportional to 231,608.18, 347,359.97 and 117,640.56 is: 176,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,608.18 : 347,359.97 = 117,640.56 : x
  2. Step 2: Convert to fraction form
    231,608.18/347,359.97 = 117,640.56/x
  3. Step 3: Cross multiply
    231,608.18x = 347,359.97 × 117,640.56
  4. Step 4: Simplify right side
    231,608.18x = 40,863,620,804.18
  5. Step 5: Solve for x
    x = 40,863,620,804.18/231,608.18
  6. Step 6: Final answer
    x = 176,434.28

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1.5x scale

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.