Home / 120,172.74-179,996.40-60,906.66

Finding the Fourth Proportional to 120,172.74, 179,996.40 and 60,906.66

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Solution

The fourth proportional to 120,172.74, 179,996.40 and 60,906.66 is: 91,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,172.74 : 179,996.40 = 60,906.66 : x
  2. Step 2: Convert to fraction form
    120,172.74/179,996.40 = 60,906.66/x
  3. Step 3: Cross multiply
    120,172.74x = 179,996.40 × 60,906.66
  4. Step 4: Simplify right side
    120,172.74x = 10,962,979,536.02
  5. Step 5: Solve for x
    x = 10,962,979,536.02/120,172.74
  6. Step 6: Final answer
    x = 91,226.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.