Home / 108,944.96-163,398-28,983.36

Finding the Fourth Proportional to 108,944.96, 163,398 and 28,983.36

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Solution

The fourth proportional to 108,944.96, 163,398 and 28,983.36 is: 43,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,944.96 : 163,398 = 28,983.36 : x
  2. Step 2: Convert to fraction form
    108,944.96/163,398 = 28,983.36/x
  3. Step 3: Cross multiply
    108,944.96x = 163,398 × 28,983.36
  4. Step 4: Simplify right side
    108,944.96x = 4,735,823,057.28
  5. Step 5: Solve for x
    x = 4,735,823,057.28/108,944.96
  6. Step 6: Final answer
    x = 43,469.87

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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.