Home / 352,067.45-485,848.47-190,921.64

Finding the Fourth Proportional to 352,067.45, 485,848.47 and 190,921.64

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Solution

The fourth proportional to 352,067.45, 485,848.47 and 190,921.64 is: 263,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,067.45 : 485,848.47 = 190,921.64 : x
  2. Step 2: Convert to fraction form
    352,067.45/485,848.47 = 190,921.64/x
  3. Step 3: Cross multiply
    352,067.45x = 485,848.47 × 190,921.64
  4. Step 4: Simplify right side
    352,067.45x = 92,758,984,254.65
  5. Step 5: Solve for x
    x = 92,758,984,254.65/352,067.45
  6. Step 6: Final answer
    x = 263,469.36

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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.