Home / 156,468.27-215,922.37-84,846.45

Finding the Fourth Proportional to 156,468.27, 215,922.37 and 84,846.45

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Solution

The fourth proportional to 156,468.27, 215,922.37 and 84,846.45 is: 117,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,468.27 : 215,922.37 = 84,846.45 : x
  2. Step 2: Convert to fraction form
    156,468.27/215,922.37 = 84,846.45/x
  3. Step 3: Cross multiply
    156,468.27x = 215,922.37 × 84,846.45
  4. Step 4: Simplify right side
    156,468.27x = 18,320,246,570.09
  5. Step 5: Solve for x
    x = 18,320,246,570.09/156,468.27
  6. Step 6: Final answer
    x = 117,086.02

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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.