Home / 197,566.56-272,648.24-108,142.56

Finding the Fourth Proportional to 197,566.56, 272,648.24 and 108,142.56

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Solution

The fourth proportional to 197,566.56, 272,648.24 and 108,142.56 is: 149,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,566.56 : 272,648.24 = 108,142.56 : x
  2. Step 2: Convert to fraction form
    197,566.56/272,648.24 = 108,142.56/x
  3. Step 3: Cross multiply
    197,566.56x = 272,648.24 × 108,142.56
  4. Step 4: Simplify right side
    197,566.56x = 29,484,878,653.09
  5. Step 5: Solve for x
    x = 29,484,878,653.09/197,566.56
  6. Step 6: Final answer
    x = 149,240.23

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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.