Home / 351,485.07-485,046.98-190,336.43

Finding the Fourth Proportional to 351,485.07, 485,046.98 and 190,336.43

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Solution

The fourth proportional to 351,485.07, 485,046.98 and 190,336.43 is: 262,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,485.07 : 485,046.98 = 190,336.43 : x
  2. Step 2: Convert to fraction form
    351,485.07/485,046.98 = 190,336.43/x
  3. Step 3: Cross multiply
    351,485.07x = 485,046.98 × 190,336.43
  4. Step 4: Simplify right side
    351,485.07x = 92,322,112,600.82
  5. Step 5: Solve for x
    x = 92,322,112,600.82/351,485.07
  6. Step 6: Final answer
    x = 262,662.97

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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.