Home / 123,996.26-171,116.62-92,896.40

Finding the Fourth Proportional to 123,996.26, 171,116.62 and 92,896.40

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Solution

The fourth proportional to 123,996.26, 171,116.62 and 92,896.40 is: 128,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,996.26 : 171,116.62 = 92,896.40 : x
  2. Step 2: Convert to fraction form
    123,996.26/171,116.62 = 92,896.40/x
  3. Step 3: Cross multiply
    123,996.26x = 171,116.62 × 92,896.40
  4. Step 4: Simplify right side
    123,996.26x = 15,896,118,173.72
  5. Step 5: Solve for x
    x = 15,896,118,173.72/123,996.26
  6. Step 6: Final answer
    x = 128,198.37

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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.