Home / 132,907.07-199,134.93-80,205.82

Finding the Fourth Proportional to 132,907.07, 199,134.93 and 80,205.82

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Solution

The fourth proportional to 132,907.07, 199,134.93 and 80,205.82 is: 120,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,907.07 : 199,134.93 = 80,205.82 : x
  2. Step 2: Convert to fraction form
    132,907.07/199,134.93 = 80,205.82/x
  3. Step 3: Cross multiply
    132,907.07x = 199,134.93 × 80,205.82
  4. Step 4: Simplify right side
    132,907.07x = 15,971,780,351.29
  5. Step 5: Solve for x
    x = 15,971,780,351.29/132,907.07
  6. Step 6: Final answer
    x = 120,172.54

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1.5x scale

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.