Home / 108,160.24-162,246.12-33,331.78

Finding the Fourth Proportional to 108,160.24, 162,246.12 and 33,331.78

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Solution

The fourth proportional to 108,160.24, 162,246.12 and 33,331.78 is: 49,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,160.24 : 162,246.12 = 33,331.78 : x
  2. Step 2: Convert to fraction form
    108,160.24/162,246.12 = 33,331.78/x
  3. Step 3: Cross multiply
    108,160.24x = 162,246.12 × 33,331.78
  4. Step 4: Simplify right side
    108,160.24x = 5,407,951,977.69
  5. Step 5: Solve for x
    x = 5,407,951,977.69/108,160.24
  6. Step 6: Final answer
    x = 49,999.45

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1.5x scale

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.