Home / 200,533.19-276,731.43-109,887.20

Finding the Fourth Proportional to 200,533.19, 276,731.43 and 109,887.20

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Solution

The fourth proportional to 200,533.19, 276,731.43 and 109,887.20 is: 151,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,533.19 : 276,731.43 = 109,887.20 : x
  2. Step 2: Convert to fraction form
    200,533.19/276,731.43 = 109,887.20/x
  3. Step 3: Cross multiply
    200,533.19x = 276,731.43 × 109,887.20
  4. Step 4: Simplify right side
    200,533.19x = 30,409,240,611.04
  5. Step 5: Solve for x
    x = 30,409,240,611.04/200,533.19
  6. Step 6: Final answer
    x = 151,641.94

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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.