Home / 351,619.77-485,236.57-190,474.43

Finding the Fourth Proportional to 351,619.77, 485,236.57 and 190,474.43

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Solution

The fourth proportional to 351,619.77, 485,236.57 and 190,474.43 is: 262,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,619.77 : 485,236.57 = 190,474.43 : x
  2. Step 2: Convert to fraction form
    351,619.77/485,236.57 = 190,474.43/x
  3. Step 3: Cross multiply
    351,619.77x = 485,236.57 × 190,474.43
  4. Step 4: Simplify right side
    351,619.77x = 92,425,159,085.91
  5. Step 5: Solve for x
    x = 92,425,159,085.91/351,619.77
  6. Step 6: Final answer
    x = 262,855.41

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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.