Home / 219,920.58-303,458.15-123,119.42

Finding the Fourth Proportional to 219,920.58, 303,458.15 and 123,119.42

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Solution

The fourth proportional to 219,920.58, 303,458.15 and 123,119.42 is: 169,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,920.58 : 303,458.15 = 123,119.42 : x
  2. Step 2: Convert to fraction form
    219,920.58/303,458.15 = 123,119.42/x
  3. Step 3: Cross multiply
    219,920.58x = 303,458.15 × 123,119.42
  4. Step 4: Simplify right side
    219,920.58x = 37,361,589,289.39
  5. Step 5: Solve for x
    x = 37,361,589,289.39/219,920.58
  6. Step 6: Final answer
    x = 169,886.73

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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.