Home / 198,812.47-298,405.53-104,110.60

Finding the Fourth Proportional to 198,812.47, 298,405.53 and 104,110.60

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Solution

The fourth proportional to 198,812.47, 298,405.53 and 104,110.60 is: 156,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,812.47 : 298,405.53 = 104,110.60 : x
  2. Step 2: Convert to fraction form
    198,812.47/298,405.53 = 104,110.60/x
  3. Step 3: Cross multiply
    198,812.47x = 298,405.53 × 104,110.60
  4. Step 4: Simplify right side
    198,812.47x = 31,067,178,771.62
  5. Step 5: Solve for x
    x = 31,067,178,771.62/198,812.47
  6. Step 6: Final answer
    x = 156,263.73

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1.5x scale

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.