Home / 166,695.72-230,031.27-91,229.64

Finding the Fourth Proportional to 166,695.72, 230,031.27 and 91,229.64

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Solution

The fourth proportional to 166,695.72, 230,031.27 and 91,229.64 is: 125,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.72 : 230,031.27 = 91,229.64 : x
  2. Step 2: Convert to fraction form
    166,695.72/230,031.27 = 91,229.64/x
  3. Step 3: Cross multiply
    166,695.72x = 230,031.27 × 91,229.64
  4. Step 4: Simplify right side
    166,695.72x = 20,985,669,950.84
  5. Step 5: Solve for x
    x = 20,985,669,950.84/166,695.72
  6. Step 6: Final answer
    x = 125,892.07

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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.