Home / 351,015.15-526,601.99-111,143.62

Finding the Fourth Proportional to 351,015.15, 526,601.99 and 111,143.62

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Solution

The fourth proportional to 351,015.15, 526,601.99 and 111,143.62 is: 166,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,015.15 : 526,601.99 = 111,143.62 : x
  2. Step 2: Convert to fraction form
    351,015.15/526,601.99 = 111,143.62/x
  3. Step 3: Cross multiply
    351,015.15x = 526,601.99 × 111,143.62
  4. Step 4: Simplify right side
    351,015.15x = 58,528,450,922.85
  5. Step 5: Solve for x
    x = 58,528,450,922.85/351,015.15
  6. Step 6: Final answer
    x = 166,740.53

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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.