Home / 108,198.95-162,299.63-33,318.50

Finding the Fourth Proportional to 108,198.95, 162,299.63 and 33,318.50

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Solution

The fourth proportional to 108,198.95, 162,299.63 and 33,318.50 is: 49,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,198.95 : 162,299.63 = 33,318.50 : x
  2. Step 2: Convert to fraction form
    108,198.95/162,299.63 = 33,318.50/x
  3. Step 3: Cross multiply
    108,198.95x = 162,299.63 × 33,318.50
  4. Step 4: Simplify right side
    108,198.95x = 5,407,579,493.95
  5. Step 5: Solve for x
    x = 5,407,579,493.95/108,198.95
  6. Step 6: Final answer
    x = 49,978.12

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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.