Home / 166,182.60-229,331.92-90,731.08

Finding the Fourth Proportional to 166,182.60, 229,331.92 and 90,731.08

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Solution

The fourth proportional to 166,182.60, 229,331.92 and 90,731.08 is: 125,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,182.60 : 229,331.92 = 90,731.08 : x
  2. Step 2: Convert to fraction form
    166,182.60/229,331.92 = 90,731.08/x
  3. Step 3: Cross multiply
    166,182.60x = 229,331.92 × 90,731.08
  4. Step 4: Simplify right side
    166,182.60x = 20,807,532,780.07
  5. Step 5: Solve for x
    x = 20,807,532,780.07/166,182.60
  6. Step 6: Final answer
    x = 125,208.85

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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.