Home / 114,247.26-171,072.81-91,938.78

Finding the Fourth Proportional to 114,247.26, 171,072.81 and 91,938.78

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Solution

The fourth proportional to 114,247.26, 171,072.81 and 91,938.78 is: 137,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,247.26 : 171,072.81 = 91,938.78 : x
  2. Step 2: Convert to fraction form
    114,247.26/171,072.81 = 91,938.78/x
  3. Step 3: Cross multiply
    114,247.26x = 171,072.81 × 91,938.78
  4. Step 4: Simplify right side
    114,247.26x = 15,728,225,442.57
  5. Step 5: Solve for x
    x = 15,728,225,442.57/114,247.26
  6. Step 6: Final answer
    x = 137,668.29

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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.