Home / 173,712.40-261,006-110,561.56

Finding the Fourth Proportional to 173,712.40, 261,006 and 110,561.56

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Solution

The fourth proportional to 173,712.40, 261,006 and 110,561.56 is: 166,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,712.40 : 261,006 = 110,561.56 : x
  2. Step 2: Convert to fraction form
    173,712.40/261,006 = 110,561.56/x
  3. Step 3: Cross multiply
    173,712.40x = 261,006 × 110,561.56
  4. Step 4: Simplify right side
    173,712.40x = 28,857,230,529.36
  5. Step 5: Solve for x
    x = 28,857,230,529.36/173,712.40
  6. Step 6: Final answer
    x = 166,120.73

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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.