Home / 171,106.26-236,015.40-109,755.36

Finding the Fourth Proportional to 171,106.26, 236,015.40 and 109,755.36

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Solution

The fourth proportional to 171,106.26, 236,015.40 and 109,755.36 is: 151,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,106.26 : 236,015.40 = 109,755.36 : x
  2. Step 2: Convert to fraction form
    171,106.26/236,015.40 = 109,755.36/x
  3. Step 3: Cross multiply
    171,106.26x = 236,015.40 × 109,755.36
  4. Step 4: Simplify right side
    171,106.26x = 25,903,955,192.54
  5. Step 5: Solve for x
    x = 25,903,955,192.54/171,106.26
  6. Step 6: Final answer
    x = 151,391.04

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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.