Home / 175,705.26-263,432.61-82,159.98

Finding the Fourth Proportional to 175,705.26, 263,432.61 and 82,159.98

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Solution

The fourth proportional to 175,705.26, 263,432.61 and 82,159.98 is: 123,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,705.26 : 263,432.61 = 82,159.98 : x
  2. Step 2: Convert to fraction form
    175,705.26/263,432.61 = 82,159.98/x
  3. Step 3: Cross multiply
    175,705.26x = 263,432.61 × 82,159.98
  4. Step 4: Simplify right side
    175,705.26x = 21,643,617,968.95
  5. Step 5: Solve for x
    x = 21,643,617,968.95/175,705.26
  6. Step 6: Final answer
    x = 123,181.39

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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.