Home / 200,643.34-276,887.74-109,997.36

Finding the Fourth Proportional to 200,643.34, 276,887.74 and 109,997.36

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Solution

The fourth proportional to 200,643.34, 276,887.74 and 109,997.36 is: 151,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,643.34 : 276,887.74 = 109,997.36 : x
  2. Step 2: Convert to fraction form
    200,643.34/276,887.74 = 109,997.36/x
  3. Step 3: Cross multiply
    200,643.34x = 276,887.74 × 109,997.36
  4. Step 4: Simplify right side
    200,643.34x = 30,456,920,894.94
  5. Step 5: Solve for x
    x = 30,456,920,894.94/200,643.34
  6. Step 6: Final answer
    x = 151,796.32

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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.