Home / 163,787.27-245,687.90-57,181.96

Finding the Fourth Proportional to 163,787.27, 245,687.90 and 57,181.96

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Solution

The fourth proportional to 163,787.27, 245,687.90 and 57,181.96 is: 85,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,787.27 : 245,687.90 = 57,181.96 : x
  2. Step 2: Convert to fraction form
    163,787.27/245,687.90 = 57,181.96/x
  3. Step 3: Cross multiply
    163,787.27x = 245,687.90 × 57,181.96
  4. Step 4: Simplify right side
    163,787.27x = 14,048,914,770.15
  5. Step 5: Solve for x
    x = 14,048,914,770.15/163,787.27
  6. Step 6: Final answer
    x = 85,775.38

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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.