Home / 231,764.90-319,912.54-141,179.36

Finding the Fourth Proportional to 231,764.90, 319,912.54 and 141,179.36

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Solution

The fourth proportional to 231,764.90, 319,912.54 and 141,179.36 is: 194,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,764.90 : 319,912.54 = 141,179.36 : x
  2. Step 2: Convert to fraction form
    231,764.90/319,912.54 = 141,179.36/x
  3. Step 3: Cross multiply
    231,764.90x = 319,912.54 × 141,179.36
  4. Step 4: Simplify right side
    231,764.90x = 45,165,045,700.66
  5. Step 5: Solve for x
    x = 45,165,045,700.66/231,764.90
  6. Step 6: Final answer
    x = 194,874.40

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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.