Home / 133,273.41-183,912.25-72,843.55

Finding the Fourth Proportional to 133,273.41, 183,912.25 and 72,843.55

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Solution

The fourth proportional to 133,273.41, 183,912.25 and 72,843.55 is: 100,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,273.41 : 183,912.25 = 72,843.55 : x
  2. Step 2: Convert to fraction form
    133,273.41/183,912.25 = 72,843.55/x
  3. Step 3: Cross multiply
    133,273.41x = 183,912.25 × 72,843.55
  4. Step 4: Simplify right side
    133,273.41x = 13,396,821,178.49
  5. Step 5: Solve for x
    x = 13,396,821,178.49/133,273.41
  6. Step 6: Final answer
    x = 100,521.34

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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.