Home / 198,732.36-274,250.46-113,849.76

Finding the Fourth Proportional to 198,732.36, 274,250.46 and 113,849.76

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Solution

The fourth proportional to 198,732.36, 274,250.46 and 113,849.76 is: 157,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,732.36 : 274,250.46 = 113,849.76 : x
  2. Step 2: Convert to fraction form
    198,732.36/274,250.46 = 113,849.76/x
  3. Step 3: Cross multiply
    198,732.36x = 274,250.46 × 113,849.76
  4. Step 4: Simplify right side
    198,732.36x = 31,223,349,050.89
  5. Step 5: Solve for x
    x = 31,223,349,050.89/198,732.36
  6. Step 6: Final answer
    x = 157,112.56

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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.