Home / 268,722.52-403,153.03-192,908.95

Finding the Fourth Proportional to 268,722.52, 403,153.03 and 192,908.95

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Solution

The fourth proportional to 268,722.52, 403,153.03 and 192,908.95 is: 289,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,722.52 : 403,153.03 = 192,908.95 : x
  2. Step 2: Convert to fraction form
    268,722.52/403,153.03 = 192,908.95/x
  3. Step 3: Cross multiply
    268,722.52x = 403,153.03 × 192,908.95
  4. Step 4: Simplify right side
    268,722.52x = 77,771,826,939.87
  5. Step 5: Solve for x
    x = 77,771,826,939.87/268,722.52
  6. Step 6: Final answer
    x = 289,413.14

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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.