Home / 222,888.38-307,591.36-122,286.38

Finding the Fourth Proportional to 222,888.38, 307,591.36 and 122,286.38

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Solution

The fourth proportional to 222,888.38, 307,591.36 and 122,286.38 is: 168,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,888.38 : 307,591.36 = 122,286.38 : x
  2. Step 2: Convert to fraction form
    222,888.38/307,591.36 = 122,286.38/x
  3. Step 3: Cross multiply
    222,888.38x = 307,591.36 × 122,286.38
  4. Step 4: Simplify right side
    222,888.38x = 37,614,232,090.00
  5. Step 5: Solve for x
    x = 37,614,232,090.00/222,888.38
  6. Step 6: Final answer
    x = 168,758.16

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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.