Home / 133,932.08-200,935.49-109,205.62

Finding the Fourth Proportional to 133,932.08, 200,935.49 and 109,205.62

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Solution

The fourth proportional to 133,932.08, 200,935.49 and 109,205.62 is: 163,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,932.08 : 200,935.49 = 109,205.62 : x
  2. Step 2: Convert to fraction form
    133,932.08/200,935.49 = 109,205.62/x
  3. Step 3: Cross multiply
    133,932.08x = 200,935.49 × 109,205.62
  4. Step 4: Simplify right side
    133,932.08x = 21,943,283,717.09
  5. Step 5: Solve for x
    x = 21,943,283,717.09/133,932.08
  6. Step 6: Final answer
    x = 163,838.89

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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.