Home / 188,997.12-283,564.80-64,350.72

Finding the Fourth Proportional to 188,997.12, 283,564.80 and 64,350.72

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Solution

The fourth proportional to 188,997.12, 283,564.80 and 64,350.72 is: 96,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,997.12 : 283,564.80 = 64,350.72 : x
  2. Step 2: Convert to fraction form
    188,997.12/283,564.80 = 64,350.72/x
  3. Step 3: Cross multiply
    188,997.12x = 283,564.80 × 64,350.72
  4. Step 4: Simplify right side
    188,997.12x = 18,247,599,046.66
  5. Step 5: Solve for x
    x = 18,247,599,046.66/188,997.12
  6. Step 6: Final answer
    x = 96,549.61

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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.