Home / 331,330.56-496,946.01-106,661.28

Finding the Fourth Proportional to 331,330.56, 496,946.01 and 106,661.28

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Solution

The fourth proportional to 331,330.56, 496,946.01 and 106,661.28 is: 159,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330.56 : 496,946.01 = 106,661.28 : x
  2. Step 2: Convert to fraction form
    331,330.56/496,946.01 = 106,661.28/x
  3. Step 3: Cross multiply
    331,330.56x = 496,946.01 × 106,661.28
  4. Step 4: Simplify right side
    331,330.56x = 53,004,897,517.49
  5. Step 5: Solve for x
    x = 53,004,897,517.49/331,330.56
  6. Step 6: Final answer
    x = 159,975.88

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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.