Home / 197,639.44-272,742.09-106,995.37

Finding the Fourth Proportional to 197,639.44, 272,742.09 and 106,995.37

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Solution

The fourth proportional to 197,639.44, 272,742.09 and 106,995.37 is: 147,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,639.44 : 272,742.09 = 106,995.37 : x
  2. Step 2: Convert to fraction form
    197,639.44/272,742.09 = 106,995.37/x
  3. Step 3: Cross multiply
    197,639.44x = 272,742.09 × 106,995.37
  4. Step 4: Simplify right side
    197,639.44x = 29,182,140,834.12
  5. Step 5: Solve for x
    x = 29,182,140,834.12/197,639.44
  6. Step 6: Final answer
    x = 147,653.43

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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.