Home / 131,788.80-197,683.20-117,273.60

Finding the Fourth Proportional to 131,788.80, 197,683.20 and 117,273.60

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Solution

The fourth proportional to 131,788.80, 197,683.20 and 117,273.60 is: 175,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,788.80 : 197,683.20 = 117,273.60 : x
  2. Step 2: Convert to fraction form
    131,788.80/197,683.20 = 117,273.60/x
  3. Step 3: Cross multiply
    131,788.80x = 197,683.20 × 117,273.60
  4. Step 4: Simplify right side
    131,788.80x = 23,183,020,523.52
  5. Step 5: Solve for x
    x = 23,183,020,523.52/131,788.80
  6. Step 6: Final answer
    x = 175,910.40

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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.