Home / 198,557.27-274,009.04-107,913.45

Finding the Fourth Proportional to 198,557.27, 274,009.04 and 107,913.45

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Solution

The fourth proportional to 198,557.27, 274,009.04 and 107,913.45 is: 148,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,557.27 : 274,009.04 = 107,913.45 : x
  2. Step 2: Convert to fraction form
    198,557.27/274,009.04 = 107,913.45/x
  3. Step 3: Cross multiply
    198,557.27x = 274,009.04 × 107,913.45
  4. Step 4: Simplify right side
    198,557.27x = 29,569,260,837.59
  5. Step 5: Solve for x
    x = 29,569,260,837.59/198,557.27
  6. Step 6: Final answer
    x = 148,920.57

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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.