Home / 120,811.40-166,723.62-67,097.06

Finding the Fourth Proportional to 120,811.40, 166,723.62 and 67,097.06

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Solution

The fourth proportional to 120,811.40, 166,723.62 and 67,097.06 is: 92,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,811.40 : 166,723.62 = 67,097.06 : x
  2. Step 2: Convert to fraction form
    120,811.40/166,723.62 = 67,097.06/x
  3. Step 3: Cross multiply
    120,811.40x = 166,723.62 × 67,097.06
  4. Step 4: Simplify right side
    120,811.40x = 11,186,664,734.56
  5. Step 5: Solve for x
    x = 11,186,664,734.56/120,811.40
  6. Step 6: Final answer
    x = 92,596.10

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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.