Home / 352,064.60-485,849.41-190,919.61

Finding the Fourth Proportional to 352,064.60, 485,849.41 and 190,919.61

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Solution

The fourth proportional to 352,064.60, 485,849.41 and 190,919.61 is: 263,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,064.60 : 485,849.41 = 190,919.61 : x
  2. Step 2: Convert to fraction form
    352,064.60/485,849.41 = 190,919.61/x
  3. Step 3: Cross multiply
    352,064.60x = 485,849.41 × 190,919.61
  4. Step 4: Simplify right side
    352,064.60x = 92,758,179,398.63
  5. Step 5: Solve for x
    x = 92,758,179,398.63/352,064.60
  6. Step 6: Final answer
    x = 263,469.20

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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.