Home / 156,160.23-215,500.87-84,540.23

Finding the Fourth Proportional to 156,160.23, 215,500.87 and 84,540.23

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Solution

The fourth proportional to 156,160.23, 215,500.87 and 84,540.23 is: 116,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,160.23 : 215,500.87 = 84,540.23 : x
  2. Step 2: Convert to fraction form
    156,160.23/215,500.87 = 84,540.23/x
  3. Step 3: Cross multiply
    156,160.23x = 215,500.87 × 84,540.23
  4. Step 4: Simplify right side
    156,160.23x = 18,218,493,115.00
  5. Step 5: Solve for x
    x = 18,218,493,115.00/156,160.23
  6. Step 6: Final answer
    x = 116,665.38

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1.5x scale

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.