Home / 198,907.16-298,388.26-63,975.06

Finding the Fourth Proportional to 198,907.16, 298,388.26 and 63,975.06

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Solution

The fourth proportional to 198,907.16, 298,388.26 and 63,975.06 is: 95,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,907.16 : 298,388.26 = 63,975.06 : x
  2. Step 2: Convert to fraction form
    198,907.16/298,388.26 = 63,975.06/x
  3. Step 3: Cross multiply
    198,907.16x = 298,388.26 × 63,975.06
  4. Step 4: Simplify right side
    198,907.16x = 19,089,406,836.80
  5. Step 5: Solve for x
    x = 19,089,406,836.80/198,907.16
  6. Step 6: Final answer
    x = 95,971.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.