Home / 197,716.64-272,837.94-111,693.27

Finding the Fourth Proportional to 197,716.64, 272,837.94 and 111,693.27

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Solution

The fourth proportional to 197,716.64, 272,837.94 and 111,693.27 is: 154,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.64 : 272,837.94 = 111,693.27 : x
  2. Step 2: Convert to fraction form
    197,716.64/272,837.94 = 111,693.27/x
  3. Step 3: Cross multiply
    197,716.64x = 272,837.94 × 111,693.27
  4. Step 4: Simplify right side
    197,716.64x = 30,474,161,698.66
  5. Step 5: Solve for x
    x = 30,474,161,698.66/197,716.64
  6. Step 6: Final answer
    x = 154,130.49

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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.