Home / 126,738.78-174,907.96-73,027.27

Finding the Fourth Proportional to 126,738.78, 174,907.96 and 73,027.27

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Solution

The fourth proportional to 126,738.78, 174,907.96 and 73,027.27 is: 100,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,738.78 : 174,907.96 = 73,027.27 : x
  2. Step 2: Convert to fraction form
    126,738.78/174,907.96 = 73,027.27/x
  3. Step 3: Cross multiply
    126,738.78x = 174,907.96 × 73,027.27
  4. Step 4: Simplify right side
    126,738.78x = 12,773,050,856.14
  5. Step 5: Solve for x
    x = 12,773,050,856.14/126,738.78
  6. Step 6: Final answer
    x = 100,782.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.