Home / 199,218.06-274,907.55-113,195.15

Finding the Fourth Proportional to 199,218.06, 274,907.55 and 113,195.15

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Solution

The fourth proportional to 199,218.06, 274,907.55 and 113,195.15 is: 156,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,218.06 : 274,907.55 = 113,195.15 : x
  2. Step 2: Convert to fraction form
    199,218.06/274,907.55 = 113,195.15/x
  3. Step 3: Cross multiply
    199,218.06x = 274,907.55 × 113,195.15
  4. Step 4: Simplify right side
    199,218.06x = 31,118,201,358.38
  5. Step 5: Solve for x
    x = 31,118,201,358.38/199,218.06
  6. Step 6: Final answer
    x = 156,201.71

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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.