Home / 166,928.36-230,361.37-90,448.29

Finding the Fourth Proportional to 166,928.36, 230,361.37 and 90,448.29

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Solution

The fourth proportional to 166,928.36, 230,361.37 and 90,448.29 is: 124,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,928.36 : 230,361.37 = 90,448.29 : x
  2. Step 2: Convert to fraction form
    166,928.36/230,361.37 = 90,448.29/x
  3. Step 3: Cross multiply
    166,928.36x = 230,361.37 × 90,448.29
  4. Step 4: Simplify right side
    166,928.36x = 20,835,792,224.68
  5. Step 5: Solve for x
    x = 20,835,792,224.68/166,928.36
  6. Step 6: Final answer
    x = 124,818.77

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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.