Home / 123,837.26-170,896.07-70,132.73

Finding the Fourth Proportional to 123,837.26, 170,896.07 and 70,132.73

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Solution

The fourth proportional to 123,837.26, 170,896.07 and 70,132.73 is: 96,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.26 : 170,896.07 = 70,132.73 : x
  2. Step 2: Convert to fraction form
    123,837.26/170,896.07 = 70,132.73/x
  3. Step 3: Cross multiply
    123,837.26x = 170,896.07 × 70,132.73
  4. Step 4: Simplify right side
    123,837.26x = 11,985,407,935.37
  5. Step 5: Solve for x
    x = 11,985,407,935.37/123,837.26
  6. Step 6: Final answer
    x = 96,783.54

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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.