Home / 126,738.36-174,889.44-70,150.68

Finding the Fourth Proportional to 126,738.36, 174,889.44 and 70,150.68

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Solution

The fourth proportional to 126,738.36, 174,889.44 and 70,150.68 is: 96,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,738.36 : 174,889.44 = 70,150.68 : x
  2. Step 2: Convert to fraction form
    126,738.36/174,889.44 = 70,150.68/x
  3. Step 3: Cross multiply
    126,738.36x = 174,889.44 × 70,150.68
  4. Step 4: Simplify right side
    126,738.36x = 12,268,613,140.82
  5. Step 5: Solve for x
    x = 12,268,613,140.82/126,738.36
  6. Step 6: Final answer
    x = 96,802.68

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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.