Home / 111,076.20-166,614.30-102,522.60

Finding the Fourth Proportional to 111,076.20, 166,614.30 and 102,522.60

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Solution

The fourth proportional to 111,076.20, 166,614.30 and 102,522.60 is: 153,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,076.20 : 166,614.30 = 102,522.60 : x
  2. Step 2: Convert to fraction form
    111,076.20/166,614.30 = 102,522.60/x
  3. Step 3: Cross multiply
    111,076.20x = 166,614.30 × 102,522.60
  4. Step 4: Simplify right side
    111,076.20x = 17,081,731,233.18
  5. Step 5: Solve for x
    x = 17,081,731,233.18/111,076.20
  6. Step 6: Final answer
    x = 153,783.90

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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.