Home / 170,611.42-255,918.16-75,819.32

Finding the Fourth Proportional to 170,611.42, 255,918.16 and 75,819.32

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Solution

The fourth proportional to 170,611.42, 255,918.16 and 75,819.32 is: 113,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,611.42 : 255,918.16 = 75,819.32 : x
  2. Step 2: Convert to fraction form
    170,611.42/255,918.16 = 75,819.32/x
  3. Step 3: Cross multiply
    170,611.42x = 255,918.16 × 75,819.32
  4. Step 4: Simplify right side
    170,611.42x = 19,403,540,866.85
  5. Step 5: Solve for x
    x = 19,403,540,866.85/170,611.42
  6. Step 6: Final answer
    x = 113,729.44

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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.