Home / 199,717.03-299,578.11-111,531.52

Finding the Fourth Proportional to 199,717.03, 299,578.11 and 111,531.52

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Solution

The fourth proportional to 199,717.03, 299,578.11 and 111,531.52 is: 167,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,717.03 : 299,578.11 = 111,531.52 : x
  2. Step 2: Convert to fraction form
    199,717.03/299,578.11 = 111,531.52/x
  3. Step 3: Cross multiply
    199,717.03x = 299,578.11 × 111,531.52
  4. Step 4: Simplify right side
    199,717.03x = 33,412,401,967.03
  5. Step 5: Solve for x
    x = 33,412,401,967.03/199,717.03
  6. Step 6: Final answer
    x = 167,298.71

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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.