Home / 156,241.94-215,600.94-91,704.24

Finding the Fourth Proportional to 156,241.94, 215,600.94 and 91,704.24

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Solution

The fourth proportional to 156,241.94, 215,600.94 and 91,704.24 is: 126,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,241.94 : 215,600.94 = 91,704.24 : x
  2. Step 2: Convert to fraction form
    156,241.94/215,600.94 = 91,704.24/x
  3. Step 3: Cross multiply
    156,241.94x = 215,600.94 × 91,704.24
  4. Step 4: Simplify right side
    156,241.94x = 19,771,520,345.99
  5. Step 5: Solve for x
    x = 19,771,520,345.99/156,241.94
  6. Step 6: Final answer
    x = 126,544.26

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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.