Home / 103,184.96-154,777.44-68,116.41

Finding the Fourth Proportional to 103,184.96, 154,777.44 and 68,116.41

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Solution

The fourth proportional to 103,184.96, 154,777.44 and 68,116.41 is: 102,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,184.96 : 154,777.44 = 68,116.41 : x
  2. Step 2: Convert to fraction form
    103,184.96/154,777.44 = 68,116.41/x
  3. Step 3: Cross multiply
    103,184.96x = 154,777.44 × 68,116.41
  4. Step 4: Simplify right side
    103,184.96x = 10,542,883,561.79
  5. Step 5: Solve for x
    x = 10,542,883,561.79/103,184.96
  6. Step 6: Final answer
    x = 102,174.62

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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.