Home / 149,321.03-206,048.07-91,951.16

Finding the Fourth Proportional to 149,321.03, 206,048.07 and 91,951.16

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Solution

The fourth proportional to 149,321.03, 206,048.07 and 91,951.16 is: 126,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,321.03 : 206,048.07 = 91,951.16 : x
  2. Step 2: Convert to fraction form
    149,321.03/206,048.07 = 91,951.16/x
  3. Step 3: Cross multiply
    149,321.03x = 206,048.07 × 91,951.16
  4. Step 4: Simplify right side
    149,321.03x = 18,946,358,022.02
  5. Step 5: Solve for x
    x = 18,946,358,022.02/149,321.03
  6. Step 6: Final answer
    x = 126,883.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.