Home / 132,968.07-199,393.74-49,803.75

Finding the Fourth Proportional to 132,968.07, 199,393.74 and 49,803.75

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Solution

The fourth proportional to 132,968.07, 199,393.74 and 49,803.75 is: 74,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.07 : 199,393.74 = 49,803.75 : x
  2. Step 2: Convert to fraction form
    132,968.07/199,393.74 = 49,803.75/x
  3. Step 3: Cross multiply
    132,968.07x = 199,393.74 × 49,803.75
  4. Step 4: Simplify right side
    132,968.07x = 9,930,555,978.53
  5. Step 5: Solve for x
    x = 9,930,555,978.53/132,968.07
  6. Step 6: Final answer
    x = 74,683.76

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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.