Home / 132,639.46-198,826.13-61,611.96

Finding the Fourth Proportional to 132,639.46, 198,826.13 and 61,611.96

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Solution

The fourth proportional to 132,639.46, 198,826.13 and 61,611.96 is: 92,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,639.46 : 198,826.13 = 61,611.96 : x
  2. Step 2: Convert to fraction form
    132,639.46/198,826.13 = 61,611.96/x
  3. Step 3: Cross multiply
    132,639.46x = 198,826.13 × 61,611.96
  4. Step 4: Simplify right side
    132,639.46x = 12,250,067,568.51
  5. Step 5: Solve for x
    x = 12,250,067,568.51/132,639.46
  6. Step 6: Final answer
    x = 92,356.13

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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.