Home / 126,698.45-190,293.71-93,286.55

Finding the Fourth Proportional to 126,698.45, 190,293.71 and 93,286.55

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Solution

The fourth proportional to 126,698.45, 190,293.71 and 93,286.55 is: 140,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,698.45 : 190,293.71 = 93,286.55 : x
  2. Step 2: Convert to fraction form
    126,698.45/190,293.71 = 93,286.55/x
  3. Step 3: Cross multiply
    126,698.45x = 190,293.71 × 93,286.55
  4. Step 4: Simplify right side
    126,698.45x = 17,751,843,701.90
  5. Step 5: Solve for x
    x = 17,751,843,701.90/126,698.45
  6. Step 6: Final answer
    x = 140,110.98

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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.