Home / 213,765.12-294,924.23-123,119.27

Finding the Fourth Proportional to 213,765.12, 294,924.23 and 123,119.27

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Solution

The fourth proportional to 213,765.12, 294,924.23 and 123,119.27 is: 169,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,765.12 : 294,924.23 = 123,119.27 : x
  2. Step 2: Convert to fraction form
    213,765.12/294,924.23 = 123,119.27/x
  3. Step 3: Cross multiply
    213,765.12x = 294,924.23 × 123,119.27
  4. Step 4: Simplify right side
    213,765.12x = 36,310,855,902.91
  5. Step 5: Solve for x
    x = 36,310,855,902.91/213,765.12
  6. Step 6: Final answer
    x = 169,863.33

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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.