Home / 156,183.51-215,532.27-84,563.31

Finding the Fourth Proportional to 156,183.51, 215,532.27 and 84,563.31

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Solution

The fourth proportional to 156,183.51, 215,532.27 and 84,563.31 is: 116,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,183.51 : 215,532.27 = 84,563.31 : x
  2. Step 2: Convert to fraction form
    156,183.51/215,532.27 = 84,563.31/x
  3. Step 3: Cross multiply
    156,183.51x = 215,532.27 × 84,563.31
  4. Step 4: Simplify right side
    156,183.51x = 18,226,122,163.01
  5. Step 5: Solve for x
    x = 18,226,122,163.01/156,183.51
  6. Step 6: Final answer
    x = 116,696.84

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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.