Home / 197,143.20-295,496.10-84,804.30

Finding the Fourth Proportional to 197,143.20, 295,496.10 and 84,804.30

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Solution

The fourth proportional to 197,143.20, 295,496.10 and 84,804.30 is: 127,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143.20 : 295,496.10 = 84,804.30 : x
  2. Step 2: Convert to fraction form
    197,143.20/295,496.10 = 84,804.30/x
  3. Step 3: Cross multiply
    197,143.20x = 295,496.10 × 84,804.30
  4. Step 4: Simplify right side
    197,143.20x = 25,059,339,913.23
  5. Step 5: Solve for x
    x = 25,059,339,913.23/197,143.20
  6. Step 6: Final answer
    x = 127,112.37

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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.