Home / 167,642.04-231,441.66-111,129.96

Finding the Fourth Proportional to 167,642.04, 231,441.66 and 111,129.96

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Solution

The fourth proportional to 167,642.04, 231,441.66 and 111,129.96 is: 153,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,642.04 : 231,441.66 = 111,129.96 : x
  2. Step 2: Convert to fraction form
    167,642.04/231,441.66 = 111,129.96/x
  3. Step 3: Cross multiply
    167,642.04x = 231,441.66 × 111,129.96
  4. Step 4: Simplify right side
    167,642.04x = 25,720,102,418.13
  5. Step 5: Solve for x
    x = 25,720,102,418.13/167,642.04
  6. Step 6: Final answer
    x = 153,422.75

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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.