Home / 126,826.48-190,268.88-38,081.67

Finding the Fourth Proportional to 126,826.48, 190,268.88 and 38,081.67

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Solution

The fourth proportional to 126,826.48, 190,268.88 and 38,081.67 is: 57,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,826.48 : 190,268.88 = 38,081.67 : x
  2. Step 2: Convert to fraction form
    126,826.48/190,268.88 = 38,081.67/x
  3. Step 3: Cross multiply
    126,826.48x = 190,268.88 × 38,081.67
  4. Step 4: Simplify right side
    126,826.48x = 7,245,756,699.43
  5. Step 5: Solve for x
    x = 7,245,756,699.43/126,826.48
  6. Step 6: Final answer
    x = 57,131.26

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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.