Home / 129,273.54-193,904.67-40,525.02

Finding the Fourth Proportional to 129,273.54, 193,904.67 and 40,525.02

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Solution

The fourth proportional to 129,273.54, 193,904.67 and 40,525.02 is: 60,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,273.54 : 193,904.67 = 40,525.02 : x
  2. Step 2: Convert to fraction form
    129,273.54/193,904.67 = 40,525.02/x
  3. Step 3: Cross multiply
    129,273.54x = 193,904.67 × 40,525.02
  4. Step 4: Simplify right side
    129,273.54x = 7,857,990,629.84
  5. Step 5: Solve for x
    x = 7,857,990,629.84/129,273.54
  6. Step 6: Final answer
    x = 60,785.76

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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.