Home / 166,999.71-230,474.18-91,562.79

Finding the Fourth Proportional to 166,999.71, 230,474.18 and 91,562.79

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Solution

The fourth proportional to 166,999.71, 230,474.18 and 91,562.79 is: 126,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,999.71 : 230,474.18 = 91,562.79 : x
  2. Step 2: Convert to fraction form
    166,999.71/230,474.18 = 91,562.79/x
  3. Step 3: Cross multiply
    166,999.71x = 230,474.18 × 91,562.79
  4. Step 4: Simplify right side
    166,999.71x = 21,102,860,036.95
  5. Step 5: Solve for x
    x = 21,102,860,036.95/166,999.71
  6. Step 6: Final answer
    x = 126,364.65

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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.