Home / 197,519.48-296,213.40-85,129.52

Finding the Fourth Proportional to 197,519.48, 296,213.40 and 85,129.52

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Solution

The fourth proportional to 197,519.48, 296,213.40 and 85,129.52 is: 127,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,519.48 : 296,213.40 = 85,129.52 : x
  2. Step 2: Convert to fraction form
    197,519.48/296,213.40 = 85,129.52/x
  3. Step 3: Cross multiply
    197,519.48x = 296,213.40 × 85,129.52
  4. Step 4: Simplify right side
    197,519.48x = 25,216,504,559.57
  5. Step 5: Solve for x
    x = 25,216,504,559.57/197,519.48
  6. Step 6: Final answer
    x = 127,665.91

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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.