Home / 115,910.39-173,554.11-73,561.20

Finding the Fourth Proportional to 115,910.39, 173,554.11 and 73,561.20

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Solution

The fourth proportional to 115,910.39, 173,554.11 and 73,561.20 is: 110,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910.39 : 173,554.11 = 73,561.20 : x
  2. Step 2: Convert to fraction form
    115,910.39/173,554.11 = 73,561.20/x
  3. Step 3: Cross multiply
    115,910.39x = 173,554.11 × 73,561.20
  4. Step 4: Simplify right side
    115,910.39x = 12,766,847,945.70
  5. Step 5: Solve for x
    x = 12,766,847,945.70/115,910.39
  6. Step 6: Final answer
    x = 110,144.12

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1.5x scale

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.