Home / 166,977.12-230,425.92-91,525.76

Finding the Fourth Proportional to 166,977.12, 230,425.92 and 91,525.76

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Solution

The fourth proportional to 166,977.12, 230,425.92 and 91,525.76 is: 126,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,977.12 : 230,425.92 = 91,525.76 : x
  2. Step 2: Convert to fraction form
    166,977.12/230,425.92 = 91,525.76/x
  3. Step 3: Cross multiply
    166,977.12x = 230,425.92 × 91,525.76
  4. Step 4: Simplify right side
    166,977.12x = 21,089,907,451.70
  5. Step 5: Solve for x
    x = 21,089,907,451.70/166,977.12
  6. Step 6: Final answer
    x = 126,304.18

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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.