Home / 233,286.04-321,930.90-129,919.24

Finding the Fourth Proportional to 233,286.04, 321,930.90 and 129,919.24

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Solution

The fourth proportional to 233,286.04, 321,930.90 and 129,919.24 is: 179,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,286.04 : 321,930.90 = 129,919.24 : x
  2. Step 2: Convert to fraction form
    233,286.04/321,930.90 = 129,919.24/x
  3. Step 3: Cross multiply
    233,286.04x = 321,930.90 × 129,919.24
  4. Step 4: Simplify right side
    233,286.04x = 41,825,017,860.52
  5. Step 5: Solve for x
    x = 41,825,017,860.52/233,286.04
  6. Step 6: Final answer
    x = 179,286.42

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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.