Home / 226,020.20-311,922.44-125,418.20

Finding the Fourth Proportional to 226,020.20, 311,922.44 and 125,418.20

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Solution

The fourth proportional to 226,020.20, 311,922.44 and 125,418.20 is: 173,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,020.20 : 311,922.44 = 125,418.20 : x
  2. Step 2: Convert to fraction form
    226,020.20/311,922.44 = 125,418.20/x
  3. Step 3: Cross multiply
    226,020.20x = 311,922.44 × 125,418.20
  4. Step 4: Simplify right side
    226,020.20x = 39,120,748,777.70
  5. Step 5: Solve for x
    x = 39,120,748,777.70/226,020.20
  6. Step 6: Final answer
    x = 173,085.19

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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.