Home / 132,891.12-199,409.58-53,984.16

Finding the Fourth Proportional to 132,891.12, 199,409.58 and 53,984.16

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Solution

The fourth proportional to 132,891.12, 199,409.58 and 53,984.16 is: 81,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891.12 : 199,409.58 = 53,984.16 : x
  2. Step 2: Convert to fraction form
    132,891.12/199,409.58 = 53,984.16/x
  3. Step 3: Cross multiply
    132,891.12x = 199,409.58 × 53,984.16
  4. Step 4: Simplify right side
    132,891.12x = 10,764,958,672.25
  5. Step 5: Solve for x
    x = 10,764,958,672.25/132,891.12
  6. Step 6: Final answer
    x = 81,005.85

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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.