Home / 194,093.24-291,136.61-87,417.86

Finding the Fourth Proportional to 194,093.24, 291,136.61 and 87,417.86

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Solution

The fourth proportional to 194,093.24, 291,136.61 and 87,417.86 is: 131,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,093.24 : 291,136.61 = 87,417.86 : x
  2. Step 2: Convert to fraction form
    194,093.24/291,136.61 = 87,417.86/x
  3. Step 3: Cross multiply
    194,093.24x = 291,136.61 × 87,417.86
  4. Step 4: Simplify right side
    194,093.24x = 25,450,539,413.85
  5. Step 5: Solve for x
    x = 25,450,539,413.85/194,093.24
  6. Step 6: Final answer
    x = 131,125.33

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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.