Home / 352,003.28-485,761.54-199,071.50

Finding the Fourth Proportional to 352,003.28, 485,761.54 and 199,071.50

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Solution

The fourth proportional to 352,003.28, 485,761.54 and 199,071.50 is: 274,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,003.28 : 485,761.54 = 199,071.50 : x
  2. Step 2: Convert to fraction form
    352,003.28/485,761.54 = 199,071.50/x
  3. Step 3: Cross multiply
    352,003.28x = 485,761.54 × 199,071.50
  4. Step 4: Simplify right side
    352,003.28x = 96,701,278,410.11
  5. Step 5: Solve for x
    x = 96,701,278,410.11/352,003.28
  6. Step 6: Final answer
    x = 274,716.98

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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.