Home / 156,092.16-215,399.70-91,552.56

Finding the Fourth Proportional to 156,092.16, 215,399.70 and 91,552.56

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Solution

The fourth proportional to 156,092.16, 215,399.70 and 91,552.56 is: 126,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.16 : 215,399.70 = 91,552.56 : x
  2. Step 2: Convert to fraction form
    156,092.16/215,399.70 = 91,552.56/x
  3. Step 3: Cross multiply
    156,092.16x = 215,399.70 × 91,552.56
  4. Step 4: Simplify right side
    156,092.16x = 19,720,393,958.23
  5. Step 5: Solve for x
    x = 19,720,393,958.23/156,092.16
  6. Step 6: Final answer
    x = 126,338.15

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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.