Home / 126,741.40-190,112.10-33,256.60

Finding the Fourth Proportional to 126,741.40, 190,112.10 and 33,256.60

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Solution

The fourth proportional to 126,741.40, 190,112.10 and 33,256.60 is: 49,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.40 : 190,112.10 = 33,256.60 : x
  2. Step 2: Convert to fraction form
    126,741.40/190,112.10 = 33,256.60/x
  3. Step 3: Cross multiply
    126,741.40x = 190,112.10 × 33,256.60
  4. Step 4: Simplify right side
    126,741.40x = 6,322,482,064.86
  5. Step 5: Solve for x
    x = 6,322,482,064.86/126,741.40
  6. Step 6: Final answer
    x = 49,884.90

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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.