Home / 132,986.36-199,307.19-54,008.84

Finding the Fourth Proportional to 132,986.36, 199,307.19 and 54,008.84

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Solution

The fourth proportional to 132,986.36, 199,307.19 and 54,008.84 is: 80,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,986.36 : 199,307.19 = 54,008.84 : x
  2. Step 2: Convert to fraction form
    132,986.36/199,307.19 = 54,008.84/x
  3. Step 3: Cross multiply
    132,986.36x = 199,307.19 × 54,008.84
  4. Step 4: Simplify right side
    132,986.36x = 10,764,350,135.56
  5. Step 5: Solve for x
    x = 10,764,350,135.56/132,986.36
  6. Step 6: Final answer
    x = 80,943.26

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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.