Home / 188,134.08-258,991.94-162,989.66

Finding the Fourth Proportional to 188,134.08, 258,991.94 and 162,989.66

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Solution

The fourth proportional to 188,134.08, 258,991.94 and 162,989.66 is: 224,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,134.08 : 258,991.94 = 162,989.66 : x
  2. Step 2: Convert to fraction form
    188,134.08/258,991.94 = 162,989.66/x
  3. Step 3: Cross multiply
    188,134.08x = 258,991.94 × 162,989.66
  4. Step 4: Simplify right side
    188,134.08x = 42,213,006,133.43
  5. Step 5: Solve for x
    x = 42,213,006,133.43/188,134.08
  6. Step 6: Final answer
    x = 224,377.24

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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.