Home / 198,573.07-274,032.66-107,929.24

Finding the Fourth Proportional to 198,573.07, 274,032.66 and 107,929.24

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Solution

The fourth proportional to 198,573.07, 274,032.66 and 107,929.24 is: 148,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,573.07 : 274,032.66 = 107,929.24 : x
  2. Step 2: Convert to fraction form
    198,573.07/274,032.66 = 107,929.24/x
  3. Step 3: Cross multiply
    198,573.07x = 274,032.66 × 107,929.24
  4. Step 4: Simplify right side
    198,573.07x = 29,576,135,358.82
  5. Step 5: Solve for x
    x = 29,576,135,358.82/198,573.07
  6. Step 6: Final answer
    x = 148,943.34

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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.