Home / 143,295.45-197,765.94-82,854.42

Finding the Fourth Proportional to 143,295.45, 197,765.94 and 82,854.42

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Solution

The fourth proportional to 143,295.45, 197,765.94 and 82,854.42 is: 114,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,295.45 : 197,765.94 = 82,854.42 : x
  2. Step 2: Convert to fraction form
    143,295.45/197,765.94 = 82,854.42/x
  3. Step 3: Cross multiply
    143,295.45x = 197,765.94 × 82,854.42
  4. Step 4: Simplify right side
    143,295.45x = 16,385,782,254.45
  5. Step 5: Solve for x
    x = 16,385,782,254.45/143,295.45
  6. Step 6: Final answer
    x = 114,349.63

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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.