Home / 225,021.54-310,383.42-144,321.24

Finding the Fourth Proportional to 225,021.54, 310,383.42 and 144,321.24

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Solution

The fourth proportional to 225,021.54, 310,383.42 and 144,321.24 is: 199,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,021.54 : 310,383.42 = 144,321.24 : x
  2. Step 2: Convert to fraction form
    225,021.54/310,383.42 = 144,321.24/x
  3. Step 3: Cross multiply
    225,021.54x = 310,383.42 × 144,321.24
  4. Step 4: Simplify right side
    225,021.54x = 44,794,920,049.84
  5. Step 5: Solve for x
    x = 44,794,920,049.84/225,021.54
  6. Step 6: Final answer
    x = 199,069.48

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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.