Home / 108,209.40-162,331.55-33,329.51

Finding the Fourth Proportional to 108,209.40, 162,331.55 and 33,329.51

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Solution

The fourth proportional to 108,209.40, 162,331.55 and 33,329.51 is: 49,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.40 : 162,331.55 = 33,329.51 : x
  2. Step 2: Convert to fraction form
    108,209.40/162,331.55 = 33,329.51/x
  3. Step 3: Cross multiply
    108,209.40x = 162,331.55 × 33,329.51
  4. Step 4: Simplify right side
    108,209.40x = 5,410,431,019.04
  5. Step 5: Solve for x
    x = 5,410,431,019.04/108,209.40
  6. Step 6: Final answer
    x = 49,999.64

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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.