Home / 205,336.20-308,004.30-116,862.60

Finding the Fourth Proportional to 205,336.20, 308,004.30 and 116,862.60

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Solution

The fourth proportional to 205,336.20, 308,004.30 and 116,862.60 is: 175,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,336.20 : 308,004.30 = 116,862.60 : x
  2. Step 2: Convert to fraction form
    205,336.20/308,004.30 = 116,862.60/x
  3. Step 3: Cross multiply
    205,336.20x = 308,004.30 × 116,862.60
  4. Step 4: Simplify right side
    205,336.20x = 35,994,183,309.18
  5. Step 5: Solve for x
    x = 35,994,183,309.18/205,336.20
  6. Step 6: Final answer
    x = 175,293.90

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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.