Home / 217,504.12-299,982.54-179,712.76

Finding the Fourth Proportional to 217,504.12, 299,982.54 and 179,712.76

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Solution

The fourth proportional to 217,504.12, 299,982.54 and 179,712.76 is: 247,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,504.12 : 299,982.54 = 179,712.76 : x
  2. Step 2: Convert to fraction form
    217,504.12/299,982.54 = 179,712.76/x
  3. Step 3: Cross multiply
    217,504.12x = 299,982.54 × 179,712.76
  4. Step 4: Simplify right side
    217,504.12x = 53,910,690,215.21
  5. Step 5: Solve for x
    x = 53,910,690,215.21/217,504.12
  6. Step 6: Final answer
    x = 247,860.55

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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.