Home / 218,506.23-301,544.24-123,016.34

Finding the Fourth Proportional to 218,506.23, 301,544.24 and 123,016.34

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Solution

The fourth proportional to 218,506.23, 301,544.24 and 123,016.34 is: 169,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,506.23 : 301,544.24 = 123,016.34 : x
  2. Step 2: Convert to fraction form
    218,506.23/301,544.24 = 123,016.34/x
  3. Step 3: Cross multiply
    218,506.23x = 301,544.24 × 123,016.34
  4. Step 4: Simplify right side
    218,506.23x = 37,094,868,891.66
  5. Step 5: Solve for x
    x = 37,094,868,891.66/218,506.23
  6. Step 6: Final answer
    x = 169,765.73

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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.