Home / 143,068.37-197,426.97-84,927.54

Finding the Fourth Proportional to 143,068.37, 197,426.97 and 84,927.54

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Solution

The fourth proportional to 143,068.37, 197,426.97 and 84,927.54 is: 117,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,068.37 : 197,426.97 = 84,927.54 : x
  2. Step 2: Convert to fraction form
    143,068.37/197,426.97 = 84,927.54/x
  3. Step 3: Cross multiply
    143,068.37x = 197,426.97 × 84,927.54
  4. Step 4: Simplify right side
    143,068.37x = 16,766,986,891.75
  5. Step 5: Solve for x
    x = 16,766,986,891.75/143,068.37
  6. Step 6: Final answer
    x = 117,195.63

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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.