Home / 185,441.58-255,836.97-120,986.64

Finding the Fourth Proportional to 185,441.58, 255,836.97 and 120,986.64

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Solution

The fourth proportional to 185,441.58, 255,836.97 and 120,986.64 is: 166,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,441.58 : 255,836.97 = 120,986.64 : x
  2. Step 2: Convert to fraction form
    185,441.58/255,836.97 = 120,986.64/x
  3. Step 3: Cross multiply
    185,441.58x = 255,836.97 × 120,986.64
  4. Step 4: Simplify right side
    185,441.58x = 30,952,855,388.08
  5. Step 5: Solve for x
    x = 30,952,855,388.08/185,441.58
  6. Step 6: Final answer
    x = 166,914.32

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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.