Home / 185,179.23-255,590.51-131,481.09

Finding the Fourth Proportional to 185,179.23, 255,590.51 and 131,481.09

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Solution

The fourth proportional to 185,179.23, 255,590.51 and 131,481.09 is: 181,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,179.23 : 255,590.51 = 131,481.09 : x
  2. Step 2: Convert to fraction form
    185,179.23/255,590.51 = 131,481.09/x
  3. Step 3: Cross multiply
    185,179.23x = 255,590.51 × 131,481.09
  4. Step 4: Simplify right side
    185,179.23x = 33,605,318,191.05
  5. Step 5: Solve for x
    x = 33,605,318,191.05/185,179.23
  6. Step 6: Final answer
    x = 181,474.55

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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.