Home / 166,865.58-230,273.31-90,382.95

Finding the Fourth Proportional to 166,865.58, 230,273.31 and 90,382.95

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Solution

The fourth proportional to 166,865.58, 230,273.31 and 90,382.95 is: 124,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,865.58 : 230,273.31 = 90,382.95 : x
  2. Step 2: Convert to fraction form
    166,865.58/230,273.31 = 90,382.95/x
  3. Step 3: Cross multiply
    166,865.58x = 230,273.31 × 90,382.95
  4. Step 4: Simplify right side
    166,865.58x = 20,812,781,064.06
  5. Step 5: Solve for x
    x = 20,812,781,064.06/166,865.58
  6. Step 6: Final answer
    x = 124,727.83

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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.