Home / 222,914.10-307,621.44-127,422.84

Finding the Fourth Proportional to 222,914.10, 307,621.44 and 127,422.84

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Solution

The fourth proportional to 222,914.10, 307,621.44 and 127,422.84 is: 175,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,914.10 : 307,621.44 = 127,422.84 : x
  2. Step 2: Convert to fraction form
    222,914.10/307,621.44 = 127,422.84/x
  3. Step 3: Cross multiply
    222,914.10x = 307,621.44 × 127,422.84
  4. Step 4: Simplify right side
    222,914.10x = 39,197,997,529.69
  5. Step 5: Solve for x
    x = 39,197,997,529.69/222,914.10
  6. Step 6: Final answer
    x = 175,843.51

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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.