Home / 111,202.94-166,785.63-31,222.57

Finding the Fourth Proportional to 111,202.94, 166,785.63 and 31,222.57

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Solution

The fourth proportional to 111,202.94, 166,785.63 and 31,222.57 is: 46,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,202.94 : 166,785.63 = 31,222.57 : x
  2. Step 2: Convert to fraction form
    111,202.94/166,785.63 = 31,222.57/x
  3. Step 3: Cross multiply
    111,202.94x = 166,785.63 × 31,222.57
  4. Step 4: Simplify right side
    111,202.94x = 5,207,476,007.67
  5. Step 5: Solve for x
    x = 5,207,476,007.67/111,202.94
  6. Step 6: Final answer
    x = 46,828.58

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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.