Home / 197,342.42-272,457.07-136,891.92

Finding the Fourth Proportional to 197,342.42, 272,457.07 and 136,891.92

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Solution

The fourth proportional to 197,342.42, 272,457.07 and 136,891.92 is: 188,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,342.42 : 272,457.07 = 136,891.92 : x
  2. Step 2: Convert to fraction form
    197,342.42/272,457.07 = 136,891.92/x
  3. Step 3: Cross multiply
    197,342.42x = 272,457.07 × 136,891.92
  4. Step 4: Simplify right side
    197,342.42x = 37,297,171,087.64
  5. Step 5: Solve for x
    x = 37,297,171,087.64/197,342.42
  6. Step 6: Final answer
    x = 188,997.23

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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.