Home / 156,486.44-215,945.46-92,786.12

Finding the Fourth Proportional to 156,486.44, 215,945.46 and 92,786.12

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Solution

The fourth proportional to 156,486.44, 215,945.46 and 92,786.12 is: 128,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,486.44 : 215,945.46 = 92,786.12 : x
  2. Step 2: Convert to fraction form
    156,486.44/215,945.46 = 92,786.12/x
  3. Step 3: Cross multiply
    156,486.44x = 215,945.46 × 92,786.12
  4. Step 4: Simplify right side
    156,486.44x = 20,036,741,365.02
  5. Step 5: Solve for x
    x = 20,036,741,365.02/156,486.44
  6. Step 6: Final answer
    x = 128,041.39

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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.