Home / 156,540.06-215,926.97-92,832.75

Finding the Fourth Proportional to 156,540.06, 215,926.97 and 92,832.75

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Solution

The fourth proportional to 156,540.06, 215,926.97 and 92,832.75 is: 128,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540.06 : 215,926.97 = 92,832.75 : x
  2. Step 2: Convert to fraction form
    156,540.06/215,926.97 = 92,832.75/x
  3. Step 3: Cross multiply
    156,540.06x = 215,926.97 × 92,832.75
  4. Step 4: Simplify right side
    156,540.06x = 20,045,093,960.10
  5. Step 5: Solve for x
    x = 20,045,093,960.10/156,540.06
  6. Step 6: Final answer
    x = 128,050.89

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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.