Home / 351,867.82-485,578.46-190,722.72

Finding the Fourth Proportional to 351,867.82, 485,578.46 and 190,722.72

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Solution

The fourth proportional to 351,867.82, 485,578.46 and 190,722.72 is: 263,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,867.82 : 485,578.46 = 190,722.72 : x
  2. Step 2: Convert to fraction form
    351,867.82/485,578.46 = 190,722.72/x
  3. Step 3: Cross multiply
    351,867.82x = 485,578.46 × 190,722.72
  4. Step 4: Simplify right side
    351,867.82x = 92,610,844,664.61
  5. Step 5: Solve for x
    x = 92,610,844,664.61/351,867.82
  6. Step 6: Final answer
    x = 263,197.82

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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.