Home / 161,914.86-223,458.57-121,007.94

Finding the Fourth Proportional to 161,914.86, 223,458.57 and 121,007.94

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Solution

The fourth proportional to 161,914.86, 223,458.57 and 121,007.94 is: 167,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,914.86 : 223,458.57 = 121,007.94 : x
  2. Step 2: Convert to fraction form
    161,914.86/223,458.57 = 121,007.94/x
  3. Step 3: Cross multiply
    161,914.86x = 223,458.57 × 121,007.94
  4. Step 4: Simplify right side
    161,914.86x = 27,040,261,231.05
  5. Step 5: Solve for x
    x = 27,040,261,231.05/161,914.86
  6. Step 6: Final answer
    x = 167,002.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.