Home / 168,082.02-231,942.69-92,631.06

Finding the Fourth Proportional to 168,082.02, 231,942.69 and 92,631.06

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Solution

The fourth proportional to 168,082.02, 231,942.69 and 92,631.06 is: 127,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,082.02 : 231,942.69 = 92,631.06 : x
  2. Step 2: Convert to fraction form
    168,082.02/231,942.69 = 92,631.06/x
  3. Step 3: Cross multiply
    168,082.02x = 231,942.69 × 92,631.06
  4. Step 4: Simplify right side
    168,082.02x = 21,485,097,233.95
  5. Step 5: Solve for x
    x = 21,485,097,233.95/168,082.02
  6. Step 6: Final answer
    x = 127,825.08

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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.