Home / 213,067.09-294,022.59-122,359.10

Finding the Fourth Proportional to 213,067.09, 294,022.59 and 122,359.10

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Solution

The fourth proportional to 213,067.09, 294,022.59 and 122,359.10 is: 168,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,067.09 : 294,022.59 = 122,359.10 : x
  2. Step 2: Convert to fraction form
    213,067.09/294,022.59 = 122,359.10/x
  3. Step 3: Cross multiply
    213,067.09x = 294,022.59 × 122,359.10
  4. Step 4: Simplify right side
    213,067.09x = 35,976,339,492.07
  5. Step 5: Solve for x
    x = 35,976,339,492.07/213,067.09
  6. Step 6: Final answer
    x = 168,849.82

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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.