Home / 220,964.65-304,922.60-135,067.44

Finding the Fourth Proportional to 220,964.65, 304,922.60 and 135,067.44

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Solution

The fourth proportional to 220,964.65, 304,922.60 and 135,067.44 is: 186,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,964.65 : 304,922.60 = 135,067.44 : x
  2. Step 2: Convert to fraction form
    220,964.65/304,922.60 = 135,067.44/x
  3. Step 3: Cross multiply
    220,964.65x = 304,922.60 × 135,067.44
  4. Step 4: Simplify right side
    220,964.65x = 41,185,114,304.81
  5. Step 5: Solve for x
    x = 41,185,114,304.81/220,964.65
  6. Step 6: Final answer
    x = 186,387.80

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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.