Home / 126,841.26-190,245.45-47,945.22

Finding the Fourth Proportional to 126,841.26, 190,245.45 and 47,945.22

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Solution

The fourth proportional to 126,841.26, 190,245.45 and 47,945.22 is: 71,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.26 : 190,245.45 = 47,945.22 : x
  2. Step 2: Convert to fraction form
    126,841.26/190,245.45 = 47,945.22/x
  3. Step 3: Cross multiply
    126,841.26x = 190,245.45 × 47,945.22
  4. Step 4: Simplify right side
    126,841.26x = 9,121,359,954.25
  5. Step 5: Solve for x
    x = 9,121,359,954.25/126,841.26
  6. Step 6: Final answer
    x = 71,911.62

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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.