Home / 129,751.14-179,056.60-73,162.52

Finding the Fourth Proportional to 129,751.14, 179,056.60 and 73,162.52

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Solution

The fourth proportional to 129,751.14, 179,056.60 and 73,162.52 is: 100,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,751.14 : 179,056.60 = 73,162.52 : x
  2. Step 2: Convert to fraction form
    129,751.14/179,056.60 = 73,162.52/x
  3. Step 3: Cross multiply
    129,751.14x = 179,056.60 × 73,162.52
  4. Step 4: Simplify right side
    129,751.14x = 13,100,231,000.44
  5. Step 5: Solve for x
    x = 13,100,231,000.44/129,751.14
  6. Step 6: Final answer
    x = 100,964.28

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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.