Home / 363,982.16-545,974.64-111,261.68

Finding the Fourth Proportional to 363,982.16, 545,974.64 and 111,261.68

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Solution

The fourth proportional to 363,982.16, 545,974.64 and 111,261.68 is: 166,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,982.16 : 545,974.64 = 111,261.68 : x
  2. Step 2: Convert to fraction form
    363,982.16/545,974.64 = 111,261.68/x
  3. Step 3: Cross multiply
    363,982.16x = 545,974.64 × 111,261.68
  4. Step 4: Simplify right side
    363,982.16x = 60,746,055,683.80
  5. Step 5: Solve for x
    x = 60,746,055,683.80/363,982.16
  6. Step 6: Final answer
    x = 166,892.95

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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.