Home / 147,790.14-221,716.36-47,942.54

Finding the Fourth Proportional to 147,790.14, 221,716.36 and 47,942.54

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Solution

The fourth proportional to 147,790.14, 221,716.36 and 47,942.54 is: 71,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,790.14 : 221,716.36 = 47,942.54 : x
  2. Step 2: Convert to fraction form
    147,790.14/221,716.36 = 47,942.54/x
  3. Step 3: Cross multiply
    147,790.14x = 221,716.36 × 47,942.54
  4. Step 4: Simplify right side
    147,790.14x = 10,629,645,457.95
  5. Step 5: Solve for x
    x = 10,629,645,457.95/147,790.14
  6. Step 6: Final answer
    x = 71,923.91

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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.