Home / 198,212.88-273,535.78-107,569.63

Finding the Fourth Proportional to 198,212.88, 273,535.78 and 107,569.63

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Solution

The fourth proportional to 198,212.88, 273,535.78 and 107,569.63 is: 148,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,212.88 : 273,535.78 = 107,569.63 : x
  2. Step 2: Convert to fraction form
    198,212.88/273,535.78 = 107,569.63/x
  3. Step 3: Cross multiply
    198,212.88x = 273,535.78 × 107,569.63
  4. Step 4: Simplify right side
    198,212.88x = 29,424,141,693.60
  5. Step 5: Solve for x
    x = 29,424,141,693.60/198,212.88
  6. Step 6: Final answer
    x = 148,447.17

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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.