Home / 156,240.68-215,611.62-84,620.52

Finding the Fourth Proportional to 156,240.68, 215,611.62 and 84,620.52

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Solution

The fourth proportional to 156,240.68, 215,611.62 and 84,620.52 is: 116,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,240.68 : 215,611.62 = 84,620.52 : x
  2. Step 2: Convert to fraction form
    156,240.68/215,611.62 = 84,620.52/x
  3. Step 3: Cross multiply
    156,240.68x = 215,611.62 × 84,620.52
  4. Step 4: Simplify right side
    156,240.68x = 18,245,167,402.44
  5. Step 5: Solve for x
    x = 18,245,167,402.44/156,240.68
  6. Step 6: Final answer
    x = 116,776.04

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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.