Home / 204,125.76-305,533.50-109,118.36

Finding the Fourth Proportional to 204,125.76, 305,533.50 and 109,118.36

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Solution

The fourth proportional to 204,125.76, 305,533.50 and 109,118.36 is: 163,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,125.76 : 305,533.50 = 109,118.36 : x
  2. Step 2: Convert to fraction form
    204,125.76/305,533.50 = 109,118.36/x
  3. Step 3: Cross multiply
    204,125.76x = 305,533.50 × 109,118.36
  4. Step 4: Simplify right side
    204,125.76x = 33,339,312,917.39
  5. Step 5: Solve for x
    x = 33,339,312,917.39/204,125.76
  6. Step 6: Final answer
    x = 163,327.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.