Home / 198,923.34-274,618.44-153,503.04

Finding the Fourth Proportional to 198,923.34, 274,618.44 and 153,503.04

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Solution

The fourth proportional to 198,923.34, 274,618.44 and 153,503.04 is: 211,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,923.34 : 274,618.44 = 153,503.04 : x
  2. Step 2: Convert to fraction form
    198,923.34/274,618.44 = 153,503.04/x
  3. Step 3: Cross multiply
    198,923.34x = 274,618.44 × 153,503.04
  4. Step 4: Simplify right side
    198,923.34x = 42,154,765,380.06
  5. Step 5: Solve for x
    x = 42,154,765,380.06/198,923.34
  6. Step 6: Final answer
    x = 211,914.63

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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.