Home / 115,936.11-173,606.63-80,346.74

Finding the Fourth Proportional to 115,936.11, 173,606.63 and 80,346.74

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Solution

The fourth proportional to 115,936.11, 173,606.63 and 80,346.74 is: 120,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,936.11 : 173,606.63 = 80,346.74 : x
  2. Step 2: Convert to fraction form
    115,936.11/173,606.63 = 80,346.74/x
  3. Step 3: Cross multiply
    115,936.11x = 173,606.63 × 80,346.74
  4. Step 4: Simplify right side
    115,936.11x = 13,948,725,493.12
  5. Step 5: Solve for x
    x = 13,948,725,493.12/115,936.11
  6. Step 6: Final answer
    x = 120,313.90

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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.