Home / 166,734.72-230,089.92-91,286.40

Finding the Fourth Proportional to 166,734.72, 230,089.92 and 91,286.40

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Solution

The fourth proportional to 166,734.72, 230,089.92 and 91,286.40 is: 125,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,734.72 : 230,089.92 = 91,286.40 : x
  2. Step 2: Convert to fraction form
    166,734.72/230,089.92 = 91,286.40/x
  3. Step 3: Cross multiply
    166,734.72x = 230,089.92 × 91,286.40
  4. Step 4: Simplify right side
    166,734.72x = 21,004,080,473.09
  5. Step 5: Solve for x
    x = 21,004,080,473.09/166,734.72
  6. Step 6: Final answer
    x = 125,973.05

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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.