Home / 203,625.36-281,012.46-127,189.71

Finding the Fourth Proportional to 203,625.36, 281,012.46 and 127,189.71

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Solution

The fourth proportional to 203,625.36, 281,012.46 and 127,189.71 is: 175,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,625.36 : 281,012.46 = 127,189.71 : x
  2. Step 2: Convert to fraction form
    203,625.36/281,012.46 = 127,189.71/x
  3. Step 3: Cross multiply
    203,625.36x = 281,012.46 × 127,189.71
  4. Step 4: Simplify right side
    203,625.36x = 35,741,891,252.78
  5. Step 5: Solve for x
    x = 35,741,891,252.78/203,625.36
  6. Step 6: Final answer
    x = 175,527.71

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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.