Home / 156,976.26-216,261.14-109,146.57

Finding the Fourth Proportional to 156,976.26, 216,261.14 and 109,146.57

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Solution

The fourth proportional to 156,976.26, 216,261.14 and 109,146.57 is: 150,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.26 : 216,261.14 = 109,146.57 : x
  2. Step 2: Convert to fraction form
    156,976.26/216,261.14 = 109,146.57/x
  3. Step 3: Cross multiply
    156,976.26x = 216,261.14 × 109,146.57
  4. Step 4: Simplify right side
    156,976.26x = 23,604,161,109.56
  5. Step 5: Solve for x
    x = 23,604,161,109.56/156,976.26
  6. Step 6: Final answer
    x = 150,367.71

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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.