Home / 188,981.94-260,795.78-104,098.80

Finding the Fourth Proportional to 188,981.94, 260,795.78 and 104,098.80

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Solution

The fourth proportional to 188,981.94, 260,795.78 and 104,098.80 is: 143,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,981.94 : 260,795.78 = 104,098.80 : x
  2. Step 2: Convert to fraction form
    188,981.94/260,795.78 = 104,098.80/x
  3. Step 3: Cross multiply
    188,981.94x = 260,795.78 × 104,098.80
  4. Step 4: Simplify right side
    188,981.94x = 27,148,527,743.06
  5. Step 5: Solve for x
    x = 27,148,527,743.06/188,981.94
  6. Step 6: Final answer
    x = 143,656.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.