Home / 126,736.70-174,878.34-70,147.94

Finding the Fourth Proportional to 126,736.70, 174,878.34 and 70,147.94

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Solution

The fourth proportional to 126,736.70, 174,878.34 and 70,147.94 is: 96,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,736.70 : 174,878.34 = 70,147.94 : x
  2. Step 2: Convert to fraction form
    126,736.70/174,878.34 = 70,147.94/x
  3. Step 3: Cross multiply
    126,736.70x = 174,878.34 × 70,147.94
  4. Step 4: Simplify right side
    126,736.70x = 12,267,355,301.62
  5. Step 5: Solve for x
    x = 12,267,355,301.62/126,736.70
  6. Step 6: Final answer
    x = 96,794.02

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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.