Home / 132,922.98-199,285.92-80,320.32

Finding the Fourth Proportional to 132,922.98, 199,285.92 and 80,320.32

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Solution

The fourth proportional to 132,922.98, 199,285.92 and 80,320.32 is: 120,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.98 : 199,285.92 = 80,320.32 : x
  2. Step 2: Convert to fraction form
    132,922.98/199,285.92 = 80,320.32/x
  3. Step 3: Cross multiply
    132,922.98x = 199,285.92 × 80,320.32
  4. Step 4: Simplify right side
    132,922.98x = 16,006,708,865.89
  5. Step 5: Solve for x
    x = 16,006,708,865.89/132,922.98
  6. Step 6: Final answer
    x = 120,420.93

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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.