Home / 166,553.20-229,830.78-91,101.70

Finding the Fourth Proportional to 166,553.20, 229,830.78 and 91,101.70

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Solution

The fourth proportional to 166,553.20, 229,830.78 and 91,101.70 is: 125,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,553.20 : 229,830.78 = 91,101.70 : x
  2. Step 2: Convert to fraction form
    166,553.20/229,830.78 = 91,101.70/x
  3. Step 3: Cross multiply
    166,553.20x = 229,830.78 × 91,101.70
  4. Step 4: Simplify right side
    166,553.20x = 20,937,974,770.33
  5. Step 5: Solve for x
    x = 20,937,974,770.33/166,553.20
  6. Step 6: Final answer
    x = 125,713.43

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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.