Home / 197,721.20-295,890.60-181,132.40

Finding the Fourth Proportional to 197,721.20, 295,890.60 and 181,132.40

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Solution

The fourth proportional to 197,721.20, 295,890.60 and 181,132.40 is: 271,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,721.20 : 295,890.60 = 181,132.40 : x
  2. Step 2: Convert to fraction form
    197,721.20/295,890.60 = 181,132.40/x
  3. Step 3: Cross multiply
    197,721.20x = 295,890.60 × 181,132.40
  4. Step 4: Simplify right side
    197,721.20x = 53,595,374,515.44
  5. Step 5: Solve for x
    x = 53,595,374,515.44/197,721.20
  6. Step 6: Final answer
    x = 271,065.39

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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.