Home / 126,906.96-190,326.32-38,140.64

Finding the Fourth Proportional to 126,906.96, 190,326.32 and 38,140.64

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Solution

The fourth proportional to 126,906.96, 190,326.32 and 38,140.64 is: 57,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.96 : 190,326.32 = 38,140.64 : x
  2. Step 2: Convert to fraction form
    126,906.96/190,326.32 = 38,140.64/x
  3. Step 3: Cross multiply
    126,906.96x = 190,326.32 × 38,140.64
  4. Step 4: Simplify right side
    126,906.96x = 7,259,167,653.64
  5. Step 5: Solve for x
    x = 7,259,167,653.64/126,906.96
  6. Step 6: Final answer
    x = 57,200.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.