Home / 166,765.18-229,980.46-154,380.28

Finding the Fourth Proportional to 166,765.18, 229,980.46 and 154,380.28

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Solution

The fourth proportional to 166,765.18, 229,980.46 and 154,380.28 is: 212,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,765.18 : 229,980.46 = 154,380.28 : x
  2. Step 2: Convert to fraction form
    166,765.18/229,980.46 = 154,380.28/x
  3. Step 3: Cross multiply
    166,765.18x = 229,980.46 × 154,380.28
  4. Step 4: Simplify right side
    166,765.18x = 35,504,447,809.33
  5. Step 5: Solve for x
    x = 35,504,447,809.33/166,765.18
  6. Step 6: Final answer
    x = 212,900.85

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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.