Home / 154,667.16-231,997.23-49,485.78

Finding the Fourth Proportional to 154,667.16, 231,997.23 and 49,485.78

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Solution

The fourth proportional to 154,667.16, 231,997.23 and 49,485.78 is: 74,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,667.16 : 231,997.23 = 49,485.78 : x
  2. Step 2: Convert to fraction form
    154,667.16/231,997.23 = 49,485.78/x
  3. Step 3: Cross multiply
    154,667.16x = 231,997.23 × 49,485.78
  4. Step 4: Simplify right side
    154,667.16x = 11,480,563,884.39
  5. Step 5: Solve for x
    x = 11,480,563,884.39/154,667.16
  6. Step 6: Final answer
    x = 74,227.55

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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.