Home / 126,968.30-190,465.42-43,851.50

Finding the Fourth Proportional to 126,968.30, 190,465.42 and 43,851.50

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Solution

The fourth proportional to 126,968.30, 190,465.42 and 43,851.50 is: 65,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,968.30 : 190,465.42 = 43,851.50 : x
  2. Step 2: Convert to fraction form
    126,968.30/190,465.42 = 43,851.50/x
  3. Step 3: Cross multiply
    126,968.30x = 190,465.42 × 43,851.50
  4. Step 4: Simplify right side
    126,968.30x = 8,352,194,365.13
  5. Step 5: Solve for x
    x = 8,352,194,365.13/126,968.30
  6. Step 6: Final answer
    x = 65,781.73

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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.