Home / 197,579.79-296,359.23-55,434.96

Finding the Fourth Proportional to 197,579.79, 296,359.23 and 55,434.96

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Solution

The fourth proportional to 197,579.79, 296,359.23 and 55,434.96 is: 83,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,579.79 : 296,359.23 = 55,434.96 : x
  2. Step 2: Convert to fraction form
    197,579.79/296,359.23 = 55,434.96/x
  3. Step 3: Cross multiply
    197,579.79x = 296,359.23 × 55,434.96
  4. Step 4: Simplify right side
    197,579.79x = 16,428,662,060.68
  5. Step 5: Solve for x
    x = 16,428,662,060.68/197,579.79
  6. Step 6: Final answer
    x = 83,149.51

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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.