Home / 205,012.20-307,518.30-177,364.20

Finding the Fourth Proportional to 205,012.20, 307,518.30 and 177,364.20

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Solution

The fourth proportional to 205,012.20, 307,518.30 and 177,364.20 is: 266,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,012.20 : 307,518.30 = 177,364.20 : x
  2. Step 2: Convert to fraction form
    205,012.20/307,518.30 = 177,364.20/x
  3. Step 3: Cross multiply
    205,012.20x = 307,518.30 × 177,364.20
  4. Step 4: Simplify right side
    205,012.20x = 54,542,737,264.86
  5. Step 5: Solve for x
    x = 54,542,737,264.86/205,012.20
  6. Step 6: Final answer
    x = 266,046.30

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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.