Home / 111,100.23-166,551.90-82,986.34

Finding the Fourth Proportional to 111,100.23, 166,551.90 and 82,986.34

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Solution

The fourth proportional to 111,100.23, 166,551.90 and 82,986.34 is: 124,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,100.23 : 166,551.90 = 82,986.34 : x
  2. Step 2: Convert to fraction form
    111,100.23/166,551.90 = 82,986.34/x
  3. Step 3: Cross multiply
    111,100.23x = 166,551.90 × 82,986.34
  4. Step 4: Simplify right side
    111,100.23x = 13,821,532,601.05
  5. Step 5: Solve for x
    x = 13,821,532,601.05/111,100.23
  6. Step 6: Final answer
    x = 124,405.98

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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.