Home / 269,939.26-372,516.18-156,769.30

Finding the Fourth Proportional to 269,939.26, 372,516.18 and 156,769.30

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Solution

The fourth proportional to 269,939.26, 372,516.18 and 156,769.30 is: 216,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,939.26 : 372,516.18 = 156,769.30 : x
  2. Step 2: Convert to fraction form
    269,939.26/372,516.18 = 156,769.30/x
  3. Step 3: Cross multiply
    269,939.26x = 372,516.18 × 156,769.30
  4. Step 4: Simplify right side
    269,939.26x = 58,399,100,777.27
  5. Step 5: Solve for x
    x = 58,399,100,777.27/269,939.26
  6. Step 6: Final answer
    x = 216,341.63

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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.