Home / 167,767.54-231,430.97-99,736.12

Finding the Fourth Proportional to 167,767.54, 231,430.97 and 99,736.12

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Solution

The fourth proportional to 167,767.54, 231,430.97 and 99,736.12 is: 137,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,767.54 : 231,430.97 = 99,736.12 : x
  2. Step 2: Convert to fraction form
    167,767.54/231,430.97 = 99,736.12/x
  3. Step 3: Cross multiply
    167,767.54x = 231,430.97 × 99,736.12
  4. Step 4: Simplify right side
    167,767.54x = 23,082,026,995.64
  5. Step 5: Solve for x
    x = 23,082,026,995.64/167,767.54
  6. Step 6: Final answer
    x = 137,583.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.