Home / 167,626.36-251,604.78-123,128.20

Finding the Fourth Proportional to 167,626.36, 251,604.78 and 123,128.20

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Solution

The fourth proportional to 167,626.36, 251,604.78 and 123,128.20 is: 184,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,626.36 : 251,604.78 = 123,128.20 : x
  2. Step 2: Convert to fraction form
    167,626.36/251,604.78 = 123,128.20/x
  3. Step 3: Cross multiply
    167,626.36x = 251,604.78 × 123,128.20
  4. Step 4: Simplify right side
    167,626.36x = 30,979,643,672.80
  5. Step 5: Solve for x
    x = 30,979,643,672.80/167,626.36
  6. Step 6: Final answer
    x = 184,813.68

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1.5x scale

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.