Home / 213,949.68-295,230.06-127,891.59

Finding the Fourth Proportional to 213,949.68, 295,230.06 and 127,891.59

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Solution

The fourth proportional to 213,949.68, 295,230.06 and 127,891.59 is: 176,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,949.68 : 295,230.06 = 127,891.59 : x
  2. Step 2: Convert to fraction form
    213,949.68/295,230.06 = 127,891.59/x
  3. Step 3: Cross multiply
    213,949.68x = 295,230.06 × 127,891.59
  4. Step 4: Simplify right side
    213,949.68x = 37,757,441,789.20
  5. Step 5: Solve for x
    x = 37,757,441,789.20/213,949.68
  6. Step 6: Final answer
    x = 176,478.14

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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.