Home / 111,190.36-166,391.56-98,068.36

Finding the Fourth Proportional to 111,190.36, 166,391.56 and 98,068.36

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Solution

The fourth proportional to 111,190.36, 166,391.56 and 98,068.36 is: 146,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,190.36 : 166,391.56 = 98,068.36 : x
  2. Step 2: Convert to fraction form
    111,190.36/166,391.56 = 98,068.36/x
  3. Step 3: Cross multiply
    111,190.36x = 166,391.56 × 98,068.36
  4. Step 4: Simplify right side
    111,190.36x = 16,317,747,407.04
  5. Step 5: Solve for x
    x = 16,317,747,407.04/111,190.36
  6. Step 6: Final answer
    x = 146,755.06

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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.