Home / 161,519.54-242,333.27-71,550.04

Finding the Fourth Proportional to 161,519.54, 242,333.27 and 71,550.04

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Solution

The fourth proportional to 161,519.54, 242,333.27 and 71,550.04 is: 107,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,519.54 : 242,333.27 = 71,550.04 : x
  2. Step 2: Convert to fraction form
    161,519.54/242,333.27 = 71,550.04/x
  3. Step 3: Cross multiply
    161,519.54x = 242,333.27 × 71,550.04
  4. Step 4: Simplify right side
    161,519.54x = 17,338,954,804.08
  5. Step 5: Solve for x
    x = 17,338,954,804.08/161,519.54
  6. Step 6: Final answer
    x = 107,348.96

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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.