Home / 185,739.23-256,305.62-109,261.20

Finding the Fourth Proportional to 185,739.23, 256,305.62 and 109,261.20

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Solution

The fourth proportional to 185,739.23, 256,305.62 and 109,261.20 is: 150,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,739.23 : 256,305.62 = 109,261.20 : x
  2. Step 2: Convert to fraction form
    185,739.23/256,305.62 = 109,261.20/x
  3. Step 3: Cross multiply
    185,739.23x = 256,305.62 × 109,261.20
  4. Step 4: Simplify right side
    185,739.23x = 28,004,260,227.65
  5. Step 5: Solve for x
    x = 28,004,260,227.65/185,739.23
  6. Step 6: Final answer
    x = 150,771.92

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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.