Home / 111,283.24-166,702.46-66,885.96

Finding the Fourth Proportional to 111,283.24, 166,702.46 and 66,885.96

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Solution

The fourth proportional to 111,283.24, 166,702.46 and 66,885.96 is: 100,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,283.24 : 166,702.46 = 66,885.96 : x
  2. Step 2: Convert to fraction form
    111,283.24/166,702.46 = 66,885.96/x
  3. Step 3: Cross multiply
    111,283.24x = 166,702.46 × 66,885.96
  4. Step 4: Simplify right side
    111,283.24x = 11,150,054,071.46
  5. Step 5: Solve for x
    x = 11,150,054,071.46/111,283.24
  6. Step 6: Final answer
    x = 100,195.27

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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.