Home / 500,990.14-751,324.82-163,939.42

Finding the Fourth Proportional to 500,990.14, 751,324.82 and 163,939.42

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Solution

The fourth proportional to 500,990.14, 751,324.82 and 163,939.42 is: 245,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,990.14 : 751,324.82 = 163,939.42 : x
  2. Step 2: Convert to fraction form
    500,990.14/751,324.82 = 163,939.42/x
  3. Step 3: Cross multiply
    500,990.14x = 751,324.82 × 163,939.42
  4. Step 4: Simplify right side
    500,990.14x = 123,171,755,222.40
  5. Step 5: Solve for x
    x = 123,171,755,222.40/500,990.14
  6. Step 6: Final answer
    x = 245,856.65

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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.