Home / 170,020.20-255,044.55-51,692.57

Finding the Fourth Proportional to 170,020.20, 255,044.55 and 51,692.57

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Solution

The fourth proportional to 170,020.20, 255,044.55 and 51,692.57 is: 77,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,020.20 : 255,044.55 = 51,692.57 : x
  2. Step 2: Convert to fraction form
    170,020.20/255,044.55 = 51,692.57/x
  3. Step 3: Cross multiply
    170,020.20x = 255,044.55 × 51,692.57
  4. Step 4: Simplify right side
    170,020.20x = 13,183,906,978.77
  5. Step 5: Solve for x
    x = 13,183,906,978.77/170,020.20
  6. Step 6: Final answer
    x = 77,543.18

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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.