Home / 203,850.45-281,454.37-127,403.91

Finding the Fourth Proportional to 203,850.45, 281,454.37 and 127,403.91

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Solution

The fourth proportional to 203,850.45, 281,454.37 and 127,403.91 is: 175,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,850.45 : 281,454.37 = 127,403.91 : x
  2. Step 2: Convert to fraction form
    203,850.45/281,454.37 = 127,403.91/x
  3. Step 3: Cross multiply
    203,850.45x = 281,454.37 × 127,403.91
  4. Step 4: Simplify right side
    203,850.45x = 35,858,388,055.99
  5. Step 5: Solve for x
    x = 35,858,388,055.99/203,850.45
  6. Step 6: Final answer
    x = 175,905.36

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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.