Home / 200,319.89-276,442.23-109,684.26

Finding the Fourth Proportional to 200,319.89, 276,442.23 and 109,684.26

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Solution

The fourth proportional to 200,319.89, 276,442.23 and 109,684.26 is: 151,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,319.89 : 276,442.23 = 109,684.26 : x
  2. Step 2: Convert to fraction form
    200,319.89/276,442.23 = 109,684.26/x
  3. Step 3: Cross multiply
    200,319.89x = 276,442.23 × 109,684.26
  4. Step 4: Simplify right side
    200,319.89x = 30,321,361,841.62
  5. Step 5: Solve for x
    x = 30,321,361,841.62/200,319.89
  6. Step 6: Final answer
    x = 151,364.71

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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.