Home / 173,865.89-260,768.01-79,073.87

Finding the Fourth Proportional to 173,865.89, 260,768.01 and 79,073.87

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Solution

The fourth proportional to 173,865.89, 260,768.01 and 79,073.87 is: 118,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,865.89 : 260,768.01 = 79,073.87 : x
  2. Step 2: Convert to fraction form
    173,865.89/260,768.01 = 79,073.87/x
  3. Step 3: Cross multiply
    173,865.89x = 260,768.01 × 79,073.87
  4. Step 4: Simplify right side
    173,865.89x = 20,619,935,737.62
  5. Step 5: Solve for x
    x = 20,619,935,737.62/173,865.89
  6. Step 6: Final answer
    x = 118,596.78

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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.