Home / 133,968.89-200,971.16-70,791.59

Finding the Fourth Proportional to 133,968.89, 200,971.16 and 70,791.59

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Solution

The fourth proportional to 133,968.89, 200,971.16 and 70,791.59 is: 106,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,968.89 : 200,971.16 = 70,791.59 : x
  2. Step 2: Convert to fraction form
    133,968.89/200,971.16 = 70,791.59/x
  3. Step 3: Cross multiply
    133,968.89x = 200,971.16 × 70,791.59
  4. Step 4: Simplify right side
    133,968.89x = 14,227,066,601.73
  5. Step 5: Solve for x
    x = 14,227,066,601.73/133,968.89
  6. Step 6: Final answer
    x = 106,196.80

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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.