Home / 170,860.82-256,315.73-52,542.09

Finding the Fourth Proportional to 170,860.82, 256,315.73 and 52,542.09

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Solution

The fourth proportional to 170,860.82, 256,315.73 and 52,542.09 is: 78,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,860.82 : 256,315.73 = 52,542.09 : x
  2. Step 2: Convert to fraction form
    170,860.82/256,315.73 = 52,542.09/x
  3. Step 3: Cross multiply
    170,860.82x = 256,315.73 × 52,542.09
  4. Step 4: Simplify right side
    170,860.82x = 13,467,363,891.37
  5. Step 5: Solve for x
    x = 13,467,363,891.37/170,860.82
  6. Step 6: Final answer
    x = 78,820.67

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1.5x scale

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.