Home / 183,974.46-275,730.83-78,669.60

Finding the Fourth Proportional to 183,974.46, 275,730.83 and 78,669.60

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Solution

The fourth proportional to 183,974.46, 275,730.83 and 78,669.60 is: 117,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,974.46 : 275,730.83 = 78,669.60 : x
  2. Step 2: Convert to fraction form
    183,974.46/275,730.83 = 78,669.60/x
  3. Step 3: Cross multiply
    183,974.46x = 275,730.83 × 78,669.60
  4. Step 4: Simplify right side
    183,974.46x = 21,691,634,103.77
  5. Step 5: Solve for x
    x = 21,691,634,103.77/183,974.46
  6. Step 6: Final answer
    x = 117,905.68

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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.