Home / 111,284.24-166,703.96-66,886.96

Finding the Fourth Proportional to 111,284.24, 166,703.96 and 66,886.96

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Solution

The fourth proportional to 111,284.24, 166,703.96 and 66,886.96 is: 100,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,284.24 : 166,703.96 = 66,886.96 : x
  2. Step 2: Convert to fraction form
    111,284.24/166,703.96 = 66,886.96/x
  3. Step 3: Cross multiply
    111,284.24x = 166,703.96 × 66,886.96
  4. Step 4: Simplify right side
    111,284.24x = 11,150,321,104.36
  5. Step 5: Solve for x
    x = 11,150,321,104.36/111,284.24
  6. Step 6: Final answer
    x = 100,196.77

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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.