Home / 166,205.66-229,363.45-90,754.16

Finding the Fourth Proportional to 166,205.66, 229,363.45 and 90,754.16

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Solution

The fourth proportional to 166,205.66, 229,363.45 and 90,754.16 is: 125,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,205.66 : 229,363.45 = 90,754.16 : x
  2. Step 2: Convert to fraction form
    166,205.66/229,363.45 = 90,754.16/x
  3. Step 3: Cross multiply
    166,205.66x = 229,363.45 × 90,754.16
  4. Step 4: Simplify right side
    166,205.66x = 20,815,685,865.75
  5. Step 5: Solve for x
    x = 20,815,685,865.75/166,205.66
  6. Step 6: Final answer
    x = 125,240.54

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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.