Home / 169,620.18-254,194.86-74,708.04

Finding the Fourth Proportional to 169,620.18, 254,194.86 and 74,708.04

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Solution

The fourth proportional to 169,620.18, 254,194.86 and 74,708.04 is: 111,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,620.18 : 254,194.86 = 74,708.04 : x
  2. Step 2: Convert to fraction form
    169,620.18/254,194.86 = 74,708.04/x
  3. Step 3: Cross multiply
    169,620.18x = 254,194.86 × 74,708.04
  4. Step 4: Simplify right side
    169,620.18x = 18,990,399,768.67
  5. Step 5: Solve for x
    x = 18,990,399,768.67/169,620.18
  6. Step 6: Final answer
    x = 111,958.38

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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.