Home / 170,999.03-256,360.19-71,234.17

Finding the Fourth Proportional to 170,999.03, 256,360.19 and 71,234.17

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Solution

The fourth proportional to 170,999.03, 256,360.19 and 71,234.17 is: 106,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.03 : 256,360.19 = 71,234.17 : x
  2. Step 2: Convert to fraction form
    170,999.03/256,360.19 = 71,234.17/x
  3. Step 3: Cross multiply
    170,999.03x = 256,360.19 × 71,234.17
  4. Step 4: Simplify right side
    170,999.03x = 18,261,604,759.31
  5. Step 5: Solve for x
    x = 18,261,604,759.31/170,999.03
  6. Step 6: Final answer
    x = 106,793.61

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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.