Home / 175,506.69-263,162.79-81,961.41

Finding the Fourth Proportional to 175,506.69, 263,162.79 and 81,961.41

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Solution

The fourth proportional to 175,506.69, 263,162.79 and 81,961.41 is: 122,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,506.69 : 263,162.79 = 81,961.41 : x
  2. Step 2: Convert to fraction form
    175,506.69/263,162.79 = 81,961.41/x
  3. Step 3: Cross multiply
    175,506.69x = 263,162.79 × 81,961.41
  4. Step 4: Simplify right side
    175,506.69x = 21,569,193,327.93
  5. Step 5: Solve for x
    x = 21,569,193,327.93/175,506.69
  6. Step 6: Final answer
    x = 122,896.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.