Home / 126,698.74-174,847.89-70,115.38

Finding the Fourth Proportional to 126,698.74, 174,847.89 and 70,115.38

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Solution

The fourth proportional to 126,698.74, 174,847.89 and 70,115.38 is: 96,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,698.74 : 174,847.89 = 70,115.38 : x
  2. Step 2: Convert to fraction form
    126,698.74/174,847.89 = 70,115.38/x
  3. Step 3: Cross multiply
    126,698.74x = 174,847.89 × 70,115.38
  4. Step 4: Simplify right side
    126,698.74x = 12,259,526,249.55
  5. Step 5: Solve for x
    x = 12,259,526,249.55/126,698.74
  6. Step 6: Final answer
    x = 96,761.23

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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.