Home / 189,049.06-283,490.56-55,939.70

Finding the Fourth Proportional to 189,049.06, 283,490.56 and 55,939.70

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Solution

The fourth proportional to 189,049.06, 283,490.56 and 55,939.70 is: 83,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,049.06 : 283,490.56 = 55,939.70 : x
  2. Step 2: Convert to fraction form
    189,049.06/283,490.56 = 55,939.70/x
  3. Step 3: Cross multiply
    189,049.06x = 283,490.56 × 55,939.70
  4. Step 4: Simplify right side
    189,049.06x = 15,858,377,101.89
  5. Step 5: Solve for x
    x = 15,858,377,101.89/189,049.06
  6. Step 6: Final answer
    x = 83,884.98

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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.