Home / 236,794.45-355,076.55-78,969.60

Finding the Fourth Proportional to 236,794.45, 355,076.55 and 78,969.60

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Solution

The fourth proportional to 236,794.45, 355,076.55 and 78,969.60 is: 118,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,794.45 : 355,076.55 = 78,969.60 : x
  2. Step 2: Convert to fraction form
    236,794.45/355,076.55 = 78,969.60/x
  3. Step 3: Cross multiply
    236,794.45x = 355,076.55 × 78,969.60
  4. Step 4: Simplify right side
    236,794.45x = 28,040,251,347.50
  5. Step 5: Solve for x
    x = 28,040,251,347.50/236,794.45
  6. Step 6: Final answer
    x = 118,416.00

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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.