Home / 143,594.73-198,179.31-82,364.79

Finding the Fourth Proportional to 143,594.73, 198,179.31 and 82,364.79

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Solution

The fourth proportional to 143,594.73, 198,179.31 and 82,364.79 is: 113,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,594.73 : 198,179.31 = 82,364.79 : x
  2. Step 2: Convert to fraction form
    143,594.73/198,179.31 = 82,364.79/x
  3. Step 3: Cross multiply
    143,594.73x = 198,179.31 × 82,364.79
  4. Step 4: Simplify right side
    143,594.73x = 16,322,997,250.49
  5. Step 5: Solve for x
    x = 16,322,997,250.49/143,594.73
  6. Step 6: Final answer
    x = 113,674.07

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1.5x scale

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.