Home / 205,315.70-281,277.73-197,640.10

Finding the Fourth Proportional to 205,315.70, 281,277.73 and 197,640.10

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Solution

The fourth proportional to 205,315.70, 281,277.73 and 197,640.10 is: 270,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,315.70 : 281,277.73 = 197,640.10 : x
  2. Step 2: Convert to fraction form
    205,315.70/281,277.73 = 197,640.10/x
  3. Step 3: Cross multiply
    205,315.70x = 281,277.73 × 197,640.10
  4. Step 4: Simplify right side
    205,315.70x = 55,591,759,283.62
  5. Step 5: Solve for x
    x = 55,591,759,283.62/205,315.70
  6. Step 6: Final answer
    x = 270,762.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.