Home / 126,699.45-190,295.21-93,287.55

Finding the Fourth Proportional to 126,699.45, 190,295.21 and 93,287.55

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Solution

The fourth proportional to 126,699.45, 190,295.21 and 93,287.55 is: 140,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,699.45 : 190,295.21 = 93,287.55 : x
  2. Step 2: Convert to fraction form
    126,699.45/190,295.21 = 93,287.55/x
  3. Step 3: Cross multiply
    126,699.45x = 190,295.21 × 93,287.55
  4. Step 4: Simplify right side
    126,699.45x = 17,752,173,917.64
  5. Step 5: Solve for x
    x = 17,752,173,917.64/126,699.45
  6. Step 6: Final answer
    x = 140,112.48

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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.