Home / 156,213.96-215,575.38-84,594.06

Finding the Fourth Proportional to 156,213.96, 215,575.38 and 84,594.06

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Solution

The fourth proportional to 156,213.96, 215,575.38 and 84,594.06 is: 116,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,213.96 : 215,575.38 = 84,594.06 : x
  2. Step 2: Convert to fraction form
    156,213.96/215,575.38 = 84,594.06/x
  3. Step 3: Cross multiply
    156,213.96x = 215,575.38 × 84,594.06
  4. Step 4: Simplify right side
    156,213.96x = 18,236,396,630.24
  5. Step 5: Solve for x
    x = 18,236,396,630.24/156,213.96
  6. Step 6: Final answer
    x = 116,739.87

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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.