Home / 319,554.08-441,144.42-198,734.28

Finding the Fourth Proportional to 319,554.08, 441,144.42 and 198,734.28

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Solution

The fourth proportional to 319,554.08, 441,144.42 and 198,734.28 is: 274,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,554.08 : 441,144.42 = 198,734.28 : x
  2. Step 2: Convert to fraction form
    319,554.08/441,144.42 = 198,734.28/x
  3. Step 3: Cross multiply
    319,554.08x = 441,144.42 × 198,734.28
  4. Step 4: Simplify right side
    319,554.08x = 87,670,518,684.72
  5. Step 5: Solve for x
    x = 87,670,518,684.72/319,554.08
  6. Step 6: Final answer
    x = 274,352.69

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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.