Home / 143,694.58-198,344.48-92,708.74

Finding the Fourth Proportional to 143,694.58, 198,344.48 and 92,708.74

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Solution

The fourth proportional to 143,694.58, 198,344.48 and 92,708.74 is: 127,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,694.58 : 198,344.48 = 92,708.74 : x
  2. Step 2: Convert to fraction form
    143,694.58/198,344.48 = 92,708.74/x
  3. Step 3: Cross multiply
    143,694.58x = 198,344.48 × 92,708.74
  4. Step 4: Simplify right side
    143,694.58x = 18,388,266,826.76
  5. Step 5: Solve for x
    x = 18,388,266,826.76/143,694.58
  6. Step 6: Final answer
    x = 127,967.71

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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.