Home / 126,694.26-174,839.31-70,105.50

Finding the Fourth Proportional to 126,694.26, 174,839.31 and 70,105.50

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Solution

The fourth proportional to 126,694.26, 174,839.31 and 70,105.50 is: 96,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,694.26 : 174,839.31 = 70,105.50 : x
  2. Step 2: Convert to fraction form
    126,694.26/174,839.31 = 70,105.50/x
  3. Step 3: Cross multiply
    126,694.26x = 174,839.31 × 70,105.50
  4. Step 4: Simplify right side
    126,694.26x = 12,257,197,247.21
  5. Step 5: Solve for x
    x = 12,257,197,247.21/126,694.26
  6. Step 6: Final answer
    x = 96,746.27

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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.