Home / 149,569.75-206,406.26-82,501.75

Finding the Fourth Proportional to 149,569.75, 206,406.26 and 82,501.75

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Solution

The fourth proportional to 149,569.75, 206,406.26 and 82,501.75 is: 113,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,569.75 : 206,406.26 = 82,501.75 : x
  2. Step 2: Convert to fraction form
    149,569.75/206,406.26 = 82,501.75/x
  3. Step 3: Cross multiply
    149,569.75x = 206,406.26 × 82,501.75
  4. Step 4: Simplify right side
    149,569.75x = 17,028,877,660.96
  5. Step 5: Solve for x
    x = 17,028,877,660.96/149,569.75
  6. Step 6: Final answer
    x = 113,852.42

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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.