Home / 226,983.49-313,166.59-128,850.37

Finding the Fourth Proportional to 226,983.49, 313,166.59 and 128,850.37

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Solution

The fourth proportional to 226,983.49, 313,166.59 and 128,850.37 is: 177,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,983.49 : 313,166.59 = 128,850.37 : x
  2. Step 2: Convert to fraction form
    226,983.49/313,166.59 = 128,850.37/x
  3. Step 3: Cross multiply
    226,983.49x = 313,166.59 × 128,850.37
  4. Step 4: Simplify right side
    226,983.49x = 40,351,630,993.14
  5. Step 5: Solve for x
    x = 40,351,630,993.14/226,983.49
  6. Step 6: Final answer
    x = 177,773.42

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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.