Home / 172,890.94-259,327.23-52,947.85

Finding the Fourth Proportional to 172,890.94, 259,327.23 and 52,947.85

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Solution

The fourth proportional to 172,890.94, 259,327.23 and 52,947.85 is: 79,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,890.94 : 259,327.23 = 52,947.85 : x
  2. Step 2: Convert to fraction form
    172,890.94/259,327.23 = 52,947.85/x
  3. Step 3: Cross multiply
    172,890.94x = 259,327.23 × 52,947.85
  4. Step 4: Simplify right side
    172,890.94x = 13,730,819,274.96
  5. Step 5: Solve for x
    x = 13,730,819,274.96/172,890.94
  6. Step 6: Final answer
    x = 79,418.96

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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.