Home / 183,981.78-276,078.98-77,357.23

Finding the Fourth Proportional to 183,981.78, 276,078.98 and 77,357.23

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Solution

The fourth proportional to 183,981.78, 276,078.98 and 77,357.23 is: 116,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,981.78 : 276,078.98 = 77,357.23 : x
  2. Step 2: Convert to fraction form
    183,981.78/276,078.98 = 77,357.23/x
  3. Step 3: Cross multiply
    183,981.78x = 276,078.98 × 77,357.23
  4. Step 4: Simplify right side
    183,981.78x = 21,356,704,657.22
  5. Step 5: Solve for x
    x = 21,356,704,657.22/183,981.78
  6. Step 6: Final answer
    x = 116,080.54

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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.