Home / 170,481.06-255,795.30-91,503

Finding the Fourth Proportional to 170,481.06, 255,795.30 and 91,503

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Solution

The fourth proportional to 170,481.06, 255,795.30 and 91,503 is: 137,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,481.06 : 255,795.30 = 91,503 : x
  2. Step 2: Convert to fraction form
    170,481.06/255,795.30 = 91,503/x
  3. Step 3: Cross multiply
    170,481.06x = 255,795.30 × 91,503
  4. Step 4: Simplify right side
    170,481.06x = 23,406,037,335.90
  5. Step 5: Solve for x
    x = 23,406,037,335.90/170,481.06
  6. Step 6: Final answer
    x = 137,294.06

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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.