Home / 188,635.19-283,028.39-68,700.49

Finding the Fourth Proportional to 188,635.19, 283,028.39 and 68,700.49

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Solution

The fourth proportional to 188,635.19, 283,028.39 and 68,700.49 is: 103,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,635.19 : 283,028.39 = 68,700.49 : x
  2. Step 2: Convert to fraction form
    188,635.19/283,028.39 = 68,700.49/x
  3. Step 3: Cross multiply
    188,635.19x = 283,028.39 × 68,700.49
  4. Step 4: Simplify right side
    188,635.19x = 19,444,188,025.84
  5. Step 5: Solve for x
    x = 19,444,188,025.84/188,635.19
  6. Step 6: Final answer
    x = 103,078.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.