Home / 165,190.06-227,961.03-89,739.10

Finding the Fourth Proportional to 165,190.06, 227,961.03 and 89,739.10

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Solution

The fourth proportional to 165,190.06, 227,961.03 and 89,739.10 is: 123,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,190.06 : 227,961.03 = 89,739.10 : x
  2. Step 2: Convert to fraction form
    165,190.06/227,961.03 = 89,739.10/x
  3. Step 3: Cross multiply
    165,190.06x = 227,961.03 × 89,739.10
  4. Step 4: Simplify right side
    165,190.06x = 20,457,017,667.27
  5. Step 5: Solve for x
    x = 20,457,017,667.27/165,190.06
  6. Step 6: Final answer
    x = 123,839.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.