Home / 252,766.58-378,927.72-103,132.85

Finding the Fourth Proportional to 252,766.58, 378,927.72 and 103,132.85

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Solution

The fourth proportional to 252,766.58, 378,927.72 and 103,132.85 is: 154,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,766.58 : 378,927.72 = 103,132.85 : x
  2. Step 2: Convert to fraction form
    252,766.58/378,927.72 = 103,132.85/x
  3. Step 3: Cross multiply
    252,766.58x = 378,927.72 × 103,132.85
  4. Step 4: Simplify right side
    252,766.58x = 39,079,893,812.96
  5. Step 5: Solve for x
    x = 39,079,893,812.96/252,766.58
  6. Step 6: Final answer
    x = 154,608.63

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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.