Home / 193,982.29-290,900.83-67,590.09

Finding the Fourth Proportional to 193,982.29, 290,900.83 and 67,590.09

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Solution

The fourth proportional to 193,982.29, 290,900.83 and 67,590.09 is: 101,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,982.29 : 290,900.83 = 67,590.09 : x
  2. Step 2: Convert to fraction form
    193,982.29/290,900.83 = 67,590.09/x
  3. Step 3: Cross multiply
    193,982.29x = 290,900.83 × 67,590.09
  4. Step 4: Simplify right side
    193,982.29x = 19,662,013,280.77
  5. Step 5: Solve for x
    x = 19,662,013,280.77/193,982.29
  6. Step 6: Final answer
    x = 101,359.84

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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.