Home / 167,396.36-231,097.04-129,071.88

Finding the Fourth Proportional to 167,396.36, 231,097.04 and 129,071.88

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Solution

The fourth proportional to 167,396.36, 231,097.04 and 129,071.88 is: 178,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,396.36 : 231,097.04 = 129,071.88 : x
  2. Step 2: Convert to fraction form
    167,396.36/231,097.04 = 129,071.88/x
  3. Step 3: Cross multiply
    167,396.36x = 231,097.04 × 129,071.88
  4. Step 4: Simplify right side
    167,396.36x = 29,828,129,415.24
  5. Step 5: Solve for x
    x = 29,828,129,415.24/167,396.36
  6. Step 6: Final answer
    x = 178,188.64

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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.