Home / 169,626.20-254,342.10-51,279.80

Finding the Fourth Proportional to 169,626.20, 254,342.10 and 51,279.80

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Solution

The fourth proportional to 169,626.20, 254,342.10 and 51,279.80 is: 76,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,626.20 : 254,342.10 = 51,279.80 : x
  2. Step 2: Convert to fraction form
    169,626.20/254,342.10 = 51,279.80/x
  3. Step 3: Cross multiply
    169,626.20x = 254,342.10 × 51,279.80
  4. Step 4: Simplify right side
    169,626.20x = 13,042,612,019.58
  5. Step 5: Solve for x
    x = 13,042,612,019.58/169,626.20
  6. Step 6: Final answer
    x = 76,890.32

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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.