Home / 173,868.60-260,738.10-68,665.80

Finding the Fourth Proportional to 173,868.60, 260,738.10 and 68,665.80

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Solution

The fourth proportional to 173,868.60, 260,738.10 and 68,665.80 is: 102,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868.60 : 260,738.10 = 68,665.80 : x
  2. Step 2: Convert to fraction form
    173,868.60/260,738.10 = 68,665.80/x
  3. Step 3: Cross multiply
    173,868.60x = 260,738.10 × 68,665.80
  4. Step 4: Simplify right side
    173,868.60x = 17,903,790,226.98
  5. Step 5: Solve for x
    x = 17,903,790,226.98/173,868.60
  6. Step 6: Final answer
    x = 102,973.11

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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.