Home / 220,180.39-330,268.83-130,842.25

Finding the Fourth Proportional to 220,180.39, 330,268.83 and 130,842.25

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Solution

The fourth proportional to 220,180.39, 330,268.83 and 130,842.25 is: 196,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,180.39 : 330,268.83 = 130,842.25 : x
  2. Step 2: Convert to fraction form
    220,180.39/330,268.83 = 130,842.25/x
  3. Step 3: Cross multiply
    220,180.39x = 330,268.83 × 130,842.25
  4. Step 4: Simplify right side
    220,180.39x = 43,213,115,505.74
  5. Step 5: Solve for x
    x = 43,213,115,505.74/220,180.39
  6. Step 6: Final answer
    x = 196,262.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.