Home / 199,021.03-298,476.12-65,911.66

Finding the Fourth Proportional to 199,021.03, 298,476.12 and 65,911.66

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Solution

The fourth proportional to 199,021.03, 298,476.12 and 65,911.66 is: 98,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,021.03 : 298,476.12 = 65,911.66 : x
  2. Step 2: Convert to fraction form
    199,021.03/298,476.12 = 65,911.66/x
  3. Step 3: Cross multiply
    199,021.03x = 298,476.12 × 65,911.66
  4. Step 4: Simplify right side
    199,021.03x = 19,673,056,539.56
  5. Step 5: Solve for x
    x = 19,673,056,539.56/199,021.03
  6. Step 6: Final answer
    x = 98,849.13

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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.