Home / 203,914.87-281,504.77-127,476.45

Finding the Fourth Proportional to 203,914.87, 281,504.77 and 127,476.45

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Solution

The fourth proportional to 203,914.87, 281,504.77 and 127,476.45 is: 175,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,914.87 : 281,504.77 = 127,476.45 : x
  2. Step 2: Convert to fraction form
    203,914.87/281,504.77 = 127,476.45/x
  3. Step 3: Cross multiply
    203,914.87x = 281,504.77 × 127,476.45
  4. Step 4: Simplify right side
    203,914.87x = 35,885,228,418.98
  5. Step 5: Solve for x
    x = 35,885,228,418.98/203,914.87
  6. Step 6: Final answer
    x = 175,981.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.