Home / 205,022.20-307,533.30-171,844.60

Finding the Fourth Proportional to 205,022.20, 307,533.30 and 171,844.60

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Solution

The fourth proportional to 205,022.20, 307,533.30 and 171,844.60 is: 257,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,022.20 : 307,533.30 = 171,844.60 : x
  2. Step 2: Convert to fraction form
    205,022.20/307,533.30 = 171,844.60/x
  3. Step 3: Cross multiply
    205,022.20x = 307,533.30 × 171,844.60
  4. Step 4: Simplify right side
    205,022.20x = 52,847,936,925.18
  5. Step 5: Solve for x
    x = 52,847,936,925.18/205,022.20
  6. Step 6: Final answer
    x = 257,766.90

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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.