Home / 166,450.92-229,702.23-90,999.42

Finding the Fourth Proportional to 166,450.92, 229,702.23 and 90,999.42

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Solution

The fourth proportional to 166,450.92, 229,702.23 and 90,999.42 is: 125,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,450.92 : 229,702.23 = 90,999.42 : x
  2. Step 2: Convert to fraction form
    166,450.92/229,702.23 = 90,999.42/x
  3. Step 3: Cross multiply
    166,450.92x = 229,702.23 × 90,999.42
  4. Step 4: Simplify right side
    166,450.92x = 20,902,769,702.71
  5. Step 5: Solve for x
    x = 20,902,769,702.71/166,450.92
  6. Step 6: Final answer
    x = 125,579.18

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1.5x scale

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.