Home / 351,138.20-526,361.70-173,672.60

Finding the Fourth Proportional to 351,138.20, 526,361.70 and 173,672.60

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Solution

The fourth proportional to 351,138.20, 526,361.70 and 173,672.60 is: 260,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,138.20 : 526,361.70 = 173,672.60 : x
  2. Step 2: Convert to fraction form
    351,138.20/526,361.70 = 173,672.60/x
  3. Step 3: Cross multiply
    351,138.20x = 526,361.70 × 173,672.60
  4. Step 4: Simplify right side
    351,138.20x = 91,414,604,979.42
  5. Step 5: Solve for x
    x = 91,414,604,979.42/351,138.20
  6. Step 6: Final answer
    x = 260,337.97

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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.