Home / 200,203.89-276,281.37-109,559.85

Finding the Fourth Proportional to 200,203.89, 276,281.37 and 109,559.85

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Solution

The fourth proportional to 200,203.89, 276,281.37 and 109,559.85 is: 151,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,203.89 : 276,281.37 = 109,559.85 : x
  2. Step 2: Convert to fraction form
    200,203.89/276,281.37 = 109,559.85/x
  3. Step 3: Cross multiply
    200,203.89x = 276,281.37 × 109,559.85
  4. Step 4: Simplify right side
    200,203.89x = 30,269,345,454.99
  5. Step 5: Solve for x
    x = 30,269,345,454.99/200,203.89
  6. Step 6: Final answer
    x = 151,192.59

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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.