Home / 132,787.80-199,217.16-57,913.98

Finding the Fourth Proportional to 132,787.80, 199,217.16 and 57,913.98

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Solution

The fourth proportional to 132,787.80, 199,217.16 and 57,913.98 is: 86,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,787.80 : 199,217.16 = 57,913.98 : x
  2. Step 2: Convert to fraction form
    132,787.80/199,217.16 = 57,913.98/x
  3. Step 3: Cross multiply
    132,787.80x = 199,217.16 × 57,913.98
  4. Step 4: Simplify right side
    132,787.80x = 11,537,458,619.90
  5. Step 5: Solve for x
    x = 11,537,458,619.90/132,787.80
  6. Step 6: Final answer
    x = 86,886.44

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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.