Home / 112,224.45-168,241.94-52,221.90

Finding the Fourth Proportional to 112,224.45, 168,241.94 and 52,221.90

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Solution

The fourth proportional to 112,224.45, 168,241.94 and 52,221.90 is: 78,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,224.45 : 168,241.94 = 52,221.90 : x
  2. Step 2: Convert to fraction form
    112,224.45/168,241.94 = 52,221.90/x
  3. Step 3: Cross multiply
    112,224.45x = 168,241.94 × 52,221.90
  4. Step 4: Simplify right side
    112,224.45x = 8,785,913,505.38
  5. Step 5: Solve for x
    x = 8,785,913,505.38/112,224.45
  6. Step 6: Final answer
    x = 78,288.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.