Home / 319,222.45-440,548.85-195,096.78

Finding the Fourth Proportional to 319,222.45, 440,548.85 and 195,096.78

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Solution

The fourth proportional to 319,222.45, 440,548.85 and 195,096.78 is: 269,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,222.45 : 440,548.85 = 195,096.78 : x
  2. Step 2: Convert to fraction form
    319,222.45/440,548.85 = 195,096.78/x
  3. Step 3: Cross multiply
    319,222.45x = 440,548.85 × 195,096.78
  4. Step 4: Simplify right side
    319,222.45x = 85,949,662,067.70
  5. Step 5: Solve for x
    x = 85,949,662,067.70/319,222.45
  6. Step 6: Final answer
    x = 269,246.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.