Home / 665,879.22-998,968.14-192,601.35

Finding the Fourth Proportional to 665,879.22, 998,968.14 and 192,601.35

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Solution

The fourth proportional to 665,879.22, 998,968.14 and 192,601.35 is: 288,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,879.22 : 998,968.14 = 192,601.35 : x
  2. Step 2: Convert to fraction form
    665,879.22/998,968.14 = 192,601.35/x
  3. Step 3: Cross multiply
    665,879.22x = 998,968.14 × 192,601.35
  4. Step 4: Simplify right side
    665,879.22x = 192,402,612,370.99
  5. Step 5: Solve for x
    x = 192,402,612,370.99/665,879.22
  6. Step 6: Final answer
    x = 288,945.21

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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.