Home / 156,081.24-215,392.68-84,461.27

Finding the Fourth Proportional to 156,081.24, 215,392.68 and 84,461.27

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Solution

The fourth proportional to 156,081.24, 215,392.68 and 84,461.27 is: 116,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,081.24 : 215,392.68 = 84,461.27 : x
  2. Step 2: Convert to fraction form
    156,081.24/215,392.68 = 84,461.27/x
  3. Step 3: Cross multiply
    156,081.24x = 215,392.68 × 84,461.27
  4. Step 4: Simplify right side
    156,081.24x = 18,192,338,224.54
  5. Step 5: Solve for x
    x = 18,192,338,224.54/156,081.24
  6. Step 6: Final answer
    x = 116,556.85

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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.