Home / 236,948.58-355,441.24-79,177.60

Finding the Fourth Proportional to 236,948.58, 355,441.24 and 79,177.60

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Solution

The fourth proportional to 236,948.58, 355,441.24 and 79,177.60 is: 118,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,948.58 : 355,441.24 = 79,177.60 : x
  2. Step 2: Convert to fraction form
    236,948.58/355,441.24 = 79,177.60/x
  3. Step 3: Cross multiply
    236,948.58x = 355,441.24 × 79,177.60
  4. Step 4: Simplify right side
    236,948.58x = 28,142,984,324.22
  5. Step 5: Solve for x
    x = 28,142,984,324.22/236,948.58
  6. Step 6: Final answer
    x = 118,772.54

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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.