Home / 199,821.51-299,724.03-111,018.38

Finding the Fourth Proportional to 199,821.51, 299,724.03 and 111,018.38

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Solution

The fourth proportional to 199,821.51, 299,724.03 and 111,018.38 is: 166,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,821.51 : 299,724.03 = 111,018.38 : x
  2. Step 2: Convert to fraction form
    199,821.51/299,724.03 = 111,018.38/x
  3. Step 3: Cross multiply
    199,821.51x = 299,724.03 × 111,018.38
  4. Step 4: Simplify right side
    199,821.51x = 33,274,874,759.05
  5. Step 5: Solve for x
    x = 33,274,874,759.05/199,821.51
  6. Step 6: Final answer
    x = 166,522.99

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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.