Home / 203,538.52-281,021.70-127,087.48

Finding the Fourth Proportional to 203,538.52, 281,021.70 and 127,087.48

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Solution

The fourth proportional to 203,538.52, 281,021.70 and 127,087.48 is: 175,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,538.52 : 281,021.70 = 127,087.48 : x
  2. Step 2: Convert to fraction form
    203,538.52/281,021.70 = 127,087.48/x
  3. Step 3: Cross multiply
    203,538.52x = 281,021.70 × 127,087.48
  4. Step 4: Simplify right side
    203,538.52x = 35,714,339,678.32
  5. Step 5: Solve for x
    x = 35,714,339,678.32/203,538.52
  6. Step 6: Final answer
    x = 175,467.23

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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.