Home / 115,969.29-173,846.90-80,447.37

Finding the Fourth Proportional to 115,969.29, 173,846.90 and 80,447.37

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Solution

The fourth proportional to 115,969.29, 173,846.90 and 80,447.37 is: 120,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,969.29 : 173,846.90 = 80,447.37 : x
  2. Step 2: Convert to fraction form
    115,969.29/173,846.90 = 80,447.37/x
  3. Step 3: Cross multiply
    115,969.29x = 173,846.90 × 80,447.37
  4. Step 4: Simplify right side
    115,969.29x = 13,985,525,485.42
  5. Step 5: Solve for x
    x = 13,985,525,485.42/115,969.29
  6. Step 6: Final answer
    x = 120,596.80

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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.