Home / 209,132.22-313,441.35-96,660.28

Finding the Fourth Proportional to 209,132.22, 313,441.35 and 96,660.28

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Solution

The fourth proportional to 209,132.22, 313,441.35 and 96,660.28 is: 144,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,132.22 : 313,441.35 = 96,660.28 : x
  2. Step 2: Convert to fraction form
    209,132.22/313,441.35 = 96,660.28/x
  3. Step 3: Cross multiply
    209,132.22x = 313,441.35 × 96,660.28
  4. Step 4: Simplify right side
    209,132.22x = 30,297,328,654.58
  5. Step 5: Solve for x
    x = 30,297,328,654.58/209,132.22
  6. Step 6: Final answer
    x = 144,871.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.