Home / 231,541.76-319,221.33-166,956.95

Finding the Fourth Proportional to 231,541.76, 319,221.33 and 166,956.95

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Solution

The fourth proportional to 231,541.76, 319,221.33 and 166,956.95 is: 230,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,541.76 : 319,221.33 = 166,956.95 : x
  2. Step 2: Convert to fraction form
    231,541.76/319,221.33 = 166,956.95/x
  3. Step 3: Cross multiply
    231,541.76x = 319,221.33 × 166,956.95
  4. Step 4: Simplify right side
    231,541.76x = 53,296,219,631.74
  5. Step 5: Solve for x
    x = 53,296,219,631.74/231,541.76
  6. Step 6: Final answer
    x = 230,179.73

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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.