Home / 126,704.58-190,100.34-47,841.36

Finding the Fourth Proportional to 126,704.58, 190,100.34 and 47,841.36

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Solution

The fourth proportional to 126,704.58, 190,100.34 and 47,841.36 is: 71,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,704.58 : 190,100.34 = 47,841.36 : x
  2. Step 2: Convert to fraction form
    126,704.58/190,100.34 = 47,841.36/x
  3. Step 3: Cross multiply
    126,704.58x = 190,100.34 × 47,841.36
  4. Step 4: Simplify right side
    126,704.58x = 9,094,658,802.06
  5. Step 5: Solve for x
    x = 9,094,658,802.06/126,704.58
  6. Step 6: Final answer
    x = 71,778.45

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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.