Home / 142,998.24-197,346.93-82,571.43

Finding the Fourth Proportional to 142,998.24, 197,346.93 and 82,571.43

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Solution

The fourth proportional to 142,998.24, 197,346.93 and 82,571.43 is: 113,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,998.24 : 197,346.93 = 82,571.43 : x
  2. Step 2: Convert to fraction form
    142,998.24/197,346.93 = 82,571.43/x
  3. Step 3: Cross multiply
    142,998.24x = 197,346.93 × 82,571.43
  4. Step 4: Simplify right side
    142,998.24x = 16,295,218,216.21
  5. Step 5: Solve for x
    x = 16,295,218,216.21/142,998.24
  6. Step 6: Final answer
    x = 113,953.98

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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.