Home / 129,752.14-179,057.98-73,163.52

Finding the Fourth Proportional to 129,752.14, 179,057.98 and 73,163.52

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Solution

The fourth proportional to 129,752.14, 179,057.98 and 73,163.52 is: 100,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,752.14 : 179,057.98 = 73,163.52 : x
  2. Step 2: Convert to fraction form
    129,752.14/179,057.98 = 73,163.52/x
  3. Step 3: Cross multiply
    129,752.14x = 179,057.98 × 73,163.52
  4. Step 4: Simplify right side
    129,752.14x = 13,100,512,100.89
  5. Step 5: Solve for x
    x = 13,100,512,100.89/129,752.14
  6. Step 6: Final answer
    x = 100,965.67

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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.