Home / 120,494.39-179,664.33-117,183.91

Finding the Fourth Proportional to 120,494.39, 179,664.33 and 117,183.91

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Solution

The fourth proportional to 120,494.39, 179,664.33 and 117,183.91 is: 174,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494.39 : 179,664.33 = 117,183.91 : x
  2. Step 2: Convert to fraction form
    120,494.39/179,664.33 = 117,183.91/x
  3. Step 3: Cross multiply
    120,494.39x = 179,664.33 × 117,183.91
  4. Step 4: Simplify right side
    120,494.39x = 21,053,768,227.77
  5. Step 5: Solve for x
    x = 21,053,768,227.77/120,494.39
  6. Step 6: Final answer
    x = 174,728.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.