Home / 132,709.15-199,062.49-53,804.62

Finding the Fourth Proportional to 132,709.15, 199,062.49 and 53,804.62

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Solution

The fourth proportional to 132,709.15, 199,062.49 and 53,804.62 is: 80,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,709.15 : 199,062.49 = 53,804.62 : x
  2. Step 2: Convert to fraction form
    132,709.15/199,062.49 = 53,804.62/x
  3. Step 3: Cross multiply
    132,709.15x = 199,062.49 × 53,804.62
  4. Step 4: Simplify right side
    132,709.15x = 10,710,481,630.70
  5. Step 5: Solve for x
    x = 10,710,481,630.70/132,709.15
  6. Step 6: Final answer
    x = 80,706.43

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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.