Home / 213,357.22-294,441.41-122,713.07

Finding the Fourth Proportional to 213,357.22, 294,441.41 and 122,713.07

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Solution

The fourth proportional to 213,357.22, 294,441.41 and 122,713.07 is: 169,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,357.22 : 294,441.41 = 122,713.07 : x
  2. Step 2: Convert to fraction form
    213,357.22/294,441.41 = 122,713.07/x
  3. Step 3: Cross multiply
    213,357.22x = 294,441.41 × 122,713.07
  4. Step 4: Simplify right side
    213,357.22x = 36,131,809,356.23
  5. Step 5: Solve for x
    x = 36,131,809,356.23/213,357.22
  6. Step 6: Final answer
    x = 169,348.89

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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.