Home / 193,504.73-290,369.07-81,174.87

Finding the Fourth Proportional to 193,504.73, 290,369.07 and 81,174.87

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Solution

The fourth proportional to 193,504.73, 290,369.07 and 81,174.87 is: 121,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,504.73 : 290,369.07 = 81,174.87 : x
  2. Step 2: Convert to fraction form
    193,504.73/290,369.07 = 81,174.87/x
  3. Step 3: Cross multiply
    193,504.73x = 290,369.07 × 81,174.87
  4. Step 4: Simplify right side
    193,504.73x = 23,570,671,509.27
  5. Step 5: Solve for x
    x = 23,570,671,509.27/193,504.73
  6. Step 6: Final answer
    x = 121,809.28

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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.