Home / 129,910.44-179,267.94-73,314.12

Finding the Fourth Proportional to 129,910.44, 179,267.94 and 73,314.12

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Solution

The fourth proportional to 129,910.44, 179,267.94 and 73,314.12 is: 101,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,910.44 : 179,267.94 = 73,314.12 : x
  2. Step 2: Convert to fraction form
    129,910.44/179,267.94 = 73,314.12/x
  3. Step 3: Cross multiply
    129,910.44x = 179,267.94 × 73,314.12
  4. Step 4: Simplify right side
    129,910.44x = 13,142,871,265.31
  5. Step 5: Solve for x
    x = 13,142,871,265.31/129,910.44
  6. Step 6: Final answer
    x = 101,168.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.