Home / 665,881.22-998,971.14-192,603.36

Finding the Fourth Proportional to 665,881.22, 998,971.14 and 192,603.36

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Solution

The fourth proportional to 665,881.22, 998,971.14 and 192,603.36 is: 288,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,881.22 : 998,971.14 = 192,603.36 : x
  2. Step 2: Convert to fraction form
    665,881.22/998,971.14 = 192,603.36/x
  3. Step 3: Cross multiply
    665,881.22x = 998,971.14 × 192,603.36
  4. Step 4: Simplify right side
    665,881.22x = 192,405,198,107.03
  5. Step 5: Solve for x
    x = 192,405,198,107.03/665,881.22
  6. Step 6: Final answer
    x = 288,948.23

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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.