Home / 196,922.40-294,994.80-117,801.60

Finding the Fourth Proportional to 196,922.40, 294,994.80 and 117,801.60

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Solution

The fourth proportional to 196,922.40, 294,994.80 and 117,801.60 is: 176,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,922.40 : 294,994.80 = 117,801.60 : x
  2. Step 2: Convert to fraction form
    196,922.40/294,994.80 = 117,801.60/x
  3. Step 3: Cross multiply
    196,922.40x = 294,994.80 × 117,801.60
  4. Step 4: Simplify right side
    196,922.40x = 34,750,859,431.68
  5. Step 5: Solve for x
    x = 34,750,859,431.68/196,922.40
  6. Step 6: Final answer
    x = 176,469.81

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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.