Home / 198,846.54-274,420.05-113,969.06

Finding the Fourth Proportional to 198,846.54, 274,420.05 and 113,969.06

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Solution

The fourth proportional to 198,846.54, 274,420.05 and 113,969.06 is: 157,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,846.54 : 274,420.05 = 113,969.06 : x
  2. Step 2: Convert to fraction form
    198,846.54/274,420.05 = 113,969.06/x
  3. Step 3: Cross multiply
    198,846.54x = 274,420.05 × 113,969.06
  4. Step 4: Simplify right side
    198,846.54x = 31,275,395,143.65
  5. Step 5: Solve for x
    x = 31,275,395,143.65/198,846.54
  6. Step 6: Final answer
    x = 157,284.08

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1.5x scale

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.