Home / 205,048.20-307,572.30-171,805.80

Finding the Fourth Proportional to 205,048.20, 307,572.30 and 171,805.80

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Solution

The fourth proportional to 205,048.20, 307,572.30 and 171,805.80 is: 257,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,048.20 : 307,572.30 = 171,805.80 : x
  2. Step 2: Convert to fraction form
    205,048.20/307,572.30 = 171,805.80/x
  3. Step 3: Cross multiply
    205,048.20x = 307,572.30 × 171,805.80
  4. Step 4: Simplify right side
    205,048.20x = 52,842,705,059.34
  5. Step 5: Solve for x
    x = 52,842,705,059.34/205,048.20
  6. Step 6: Final answer
    x = 257,708.70

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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.