Home / 172,842.90-238,633.29-141,087.30

Finding the Fourth Proportional to 172,842.90, 238,633.29 and 141,087.30

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Solution

The fourth proportional to 172,842.90, 238,633.29 and 141,087.30 is: 194,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,842.90 : 238,633.29 = 141,087.30 : x
  2. Step 2: Convert to fraction form
    172,842.90/238,633.29 = 141,087.30/x
  3. Step 3: Cross multiply
    172,842.90x = 238,633.29 × 141,087.30
  4. Step 4: Simplify right side
    172,842.90x = 33,668,126,576.22
  5. Step 5: Solve for x
    x = 33,668,126,576.22/172,842.90
  6. Step 6: Final answer
    x = 194,790.34

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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.