Home / 198,975.48-274,718.46-152,953.56

Finding the Fourth Proportional to 198,975.48, 274,718.46 and 152,953.56

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Solution

The fourth proportional to 198,975.48, 274,718.46 and 152,953.56 is: 211,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,975.48 : 274,718.46 = 152,953.56 : x
  2. Step 2: Convert to fraction form
    198,975.48/274,718.46 = 152,953.56/x
  3. Step 3: Cross multiply
    198,975.48x = 274,718.46 × 152,953.56
  4. Step 4: Simplify right side
    198,975.48x = 42,019,166,454.72
  5. Step 5: Solve for x
    x = 42,019,166,454.72/198,975.48
  6. Step 6: Final answer
    x = 211,177.61

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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.