Home / 197,695.56-272,839.44-112,825.38

Finding the Fourth Proportional to 197,695.56, 272,839.44 and 112,825.38

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Solution

The fourth proportional to 197,695.56, 272,839.44 and 112,825.38 is: 155,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,695.56 : 272,839.44 = 112,825.38 : x
  2. Step 2: Convert to fraction form
    197,695.56/272,839.44 = 112,825.38/x
  3. Step 3: Cross multiply
    197,695.56x = 272,839.44 × 112,825.38
  4. Step 4: Simplify right side
    197,695.56x = 30,783,213,496.99
  5. Step 5: Solve for x
    x = 30,783,213,496.99/197,695.56
  6. Step 6: Final answer
    x = 155,710.19

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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.