Home / 120,731.24-166,607.48-67,016.12

Finding the Fourth Proportional to 120,731.24, 166,607.48 and 67,016.12

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Solution

The fourth proportional to 120,731.24, 166,607.48 and 67,016.12 is: 92,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,731.24 : 166,607.48 = 67,016.12 : x
  2. Step 2: Convert to fraction form
    120,731.24/166,607.48 = 67,016.12/x
  3. Step 3: Cross multiply
    120,731.24x = 166,607.48 × 67,016.12
  4. Step 4: Simplify right side
    120,731.24x = 11,165,386,872.58
  5. Step 5: Solve for x
    x = 11,165,386,872.58/120,731.24
  6. Step 6: Final answer
    x = 92,481.34

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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.