Home / 167,741.28-231,555.60-119,911.68

Finding the Fourth Proportional to 167,741.28, 231,555.60 and 119,911.68

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Solution

The fourth proportional to 167,741.28, 231,555.60 and 119,911.68 is: 165,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,741.28 : 231,555.60 = 119,911.68 : x
  2. Step 2: Convert to fraction form
    167,741.28/231,555.60 = 119,911.68/x
  3. Step 3: Cross multiply
    167,741.28x = 231,555.60 × 119,911.68
  4. Step 4: Simplify right side
    167,741.28x = 27,766,221,009.41
  5. Step 5: Solve for x
    x = 27,766,221,009.41/167,741.28
  6. Step 6: Final answer
    x = 165,530.04

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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.