Home / 222,488.07-307,033.84-120,514.64

Finding the Fourth Proportional to 222,488.07, 307,033.84 and 120,514.64

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Solution

The fourth proportional to 222,488.07, 307,033.84 and 120,514.64 is: 166,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,488.07 : 307,033.84 = 120,514.64 : x
  2. Step 2: Convert to fraction form
    222,488.07/307,033.84 = 120,514.64/x
  3. Step 3: Cross multiply
    222,488.07x = 307,033.84 × 120,514.64
  4. Step 4: Simplify right side
    222,488.07x = 37,002,071,310.89
  5. Step 5: Solve for x
    x = 37,002,071,310.89/222,488.07
  6. Step 6: Final answer
    x = 166,310.36

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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.