Home / 169,711.22-234,219.86-108,512.88

Finding the Fourth Proportional to 169,711.22, 234,219.86 and 108,512.88

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Solution

The fourth proportional to 169,711.22, 234,219.86 and 108,512.88 is: 149,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,711.22 : 234,219.86 = 108,512.88 : x
  2. Step 2: Convert to fraction form
    169,711.22/234,219.86 = 108,512.88/x
  3. Step 3: Cross multiply
    169,711.22x = 234,219.86 × 108,512.88
  4. Step 4: Simplify right side
    169,711.22x = 25,415,871,019.23
  5. Step 5: Solve for x
    x = 25,415,871,019.23/169,711.22
  6. Step 6: Final answer
    x = 149,759.53

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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.