Home / 193,983.49-290,596.92-109,488.07

Finding the Fourth Proportional to 193,983.49, 290,596.92 and 109,488.07

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Solution

The fourth proportional to 193,983.49, 290,596.92 and 109,488.07 is: 164,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,983.49 : 290,596.92 = 109,488.07 : x
  2. Step 2: Convert to fraction form
    193,983.49/290,596.92 = 109,488.07/x
  3. Step 3: Cross multiply
    193,983.49x = 290,596.92 × 109,488.07
  4. Step 4: Simplify right side
    193,983.49x = 31,816,895,918.74
  5. Step 5: Solve for x
    x = 31,816,895,918.74/193,983.49
  6. Step 6: Final answer
    x = 164,018.58

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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.