Home / 195,751.19-270,155.49-109,709.75

Finding the Fourth Proportional to 195,751.19, 270,155.49 and 109,709.75

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Solution

The fourth proportional to 195,751.19, 270,155.49 and 109,709.75 is: 151,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,751.19 : 270,155.49 = 109,709.75 : x
  2. Step 2: Convert to fraction form
    195,751.19/270,155.49 = 109,709.75/x
  3. Step 3: Cross multiply
    195,751.19x = 270,155.49 × 109,709.75
  4. Step 4: Simplify right side
    195,751.19x = 29,638,691,269.03
  5. Step 5: Solve for x
    x = 29,638,691,269.03/195,751.19
  6. Step 6: Final answer
    x = 151,410.02

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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.