Home / 205,189.20-307,083.60-171,946.80

Finding the Fourth Proportional to 205,189.20, 307,083.60 and 171,946.80

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Solution

The fourth proportional to 205,189.20, 307,083.60 and 171,946.80 is: 257,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,189.20 : 307,083.60 = 171,946.80 : x
  2. Step 2: Convert to fraction form
    205,189.20/307,083.60 = 171,946.80/x
  3. Step 3: Cross multiply
    205,189.20x = 307,083.60 × 171,946.80
  4. Step 4: Simplify right side
    205,189.20x = 52,802,042,352.48
  5. Step 5: Solve for x
    x = 52,802,042,352.48/205,189.20
  6. Step 6: Final answer
    x = 257,333.44

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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.