Home / 351,826.58-485,518.74-190,679.90

Finding the Fourth Proportional to 351,826.58, 485,518.74 and 190,679.90

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Solution

The fourth proportional to 351,826.58, 485,518.74 and 190,679.90 is: 263,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,826.58 : 485,518.74 = 190,679.90 : x
  2. Step 2: Convert to fraction form
    351,826.58/485,518.74 = 190,679.90/x
  3. Step 3: Cross multiply
    351,826.58x = 485,518.74 × 190,679.90
  4. Step 4: Simplify right side
    351,826.58x = 92,578,664,791.33
  5. Step 5: Solve for x
    x = 92,578,664,791.33/351,826.58
  6. Step 6: Final answer
    x = 263,137.21

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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.