Home / 170,200.14-255,181.98-75,378.66

Finding the Fourth Proportional to 170,200.14, 255,181.98 and 75,378.66

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Solution

The fourth proportional to 170,200.14, 255,181.98 and 75,378.66 is: 113,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,200.14 : 255,181.98 = 75,378.66 : x
  2. Step 2: Convert to fraction form
    170,200.14/255,181.98 = 75,378.66/x
  3. Step 3: Cross multiply
    170,200.14x = 255,181.98 × 75,378.66
  4. Step 4: Simplify right side
    170,200.14x = 19,235,275,708.55
  5. Step 5: Solve for x
    x = 19,235,275,708.55/170,200.14
  6. Step 6: Final answer
    x = 113,015.63

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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.