Home / 156,086.22-215,398.99-84,466.24

Finding the Fourth Proportional to 156,086.22, 215,398.99 and 84,466.24

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Solution

The fourth proportional to 156,086.22, 215,398.99 and 84,466.24 is: 116,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,086.22 : 215,398.99 = 84,466.24 : x
  2. Step 2: Convert to fraction form
    156,086.22/215,398.99 = 84,466.24/x
  3. Step 3: Cross multiply
    156,086.22x = 215,398.99 × 84,466.24
  4. Step 4: Simplify right side
    156,086.22x = 18,193,942,573.93
  5. Step 5: Solve for x
    x = 18,193,942,573.93/156,086.22
  6. Step 6: Final answer
    x = 116,563.42

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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.