Home / 197,670.27-296,292.69-85,403.64

Finding the Fourth Proportional to 197,670.27, 296,292.69 and 85,403.64

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Solution

The fourth proportional to 197,670.27, 296,292.69 and 85,403.64 is: 128,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,670.27 : 296,292.69 = 85,403.64 : x
  2. Step 2: Convert to fraction form
    197,670.27/296,292.69 = 85,403.64/x
  3. Step 3: Cross multiply
    197,670.27x = 296,292.69 × 85,403.64
  4. Step 4: Simplify right side
    197,670.27x = 25,304,474,231.39
  5. Step 5: Solve for x
    x = 25,304,474,231.39/197,670.27
  6. Step 6: Final answer
    x = 128,013.56

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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.