Home / 121,048.80-181,291.68-116,845.44

Finding the Fourth Proportional to 121,048.80, 181,291.68 and 116,845.44

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Solution

The fourth proportional to 121,048.80, 181,291.68 and 116,845.44 is: 174,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,048.80 : 181,291.68 = 116,845.44 : x
  2. Step 2: Convert to fraction form
    121,048.80/181,291.68 = 116,845.44/x
  3. Step 3: Cross multiply
    121,048.80x = 181,291.68 × 116,845.44
  4. Step 4: Simplify right side
    121,048.80x = 21,183,106,117.94
  5. Step 5: Solve for x
    x = 21,183,106,117.94/121,048.80
  6. Step 6: Final answer
    x = 174,996.42

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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.