Home / 279,922.16-419,883.26-92,933.66

Finding the Fourth Proportional to 279,922.16, 419,883.26 and 92,933.66

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Solution

The fourth proportional to 279,922.16, 419,883.26 and 92,933.66 is: 139,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,922.16 : 419,883.26 = 92,933.66 : x
  2. Step 2: Convert to fraction form
    279,922.16/419,883.26 = 92,933.66/x
  3. Step 3: Cross multiply
    279,922.16x = 419,883.26 × 92,933.66
  4. Step 4: Simplify right side
    279,922.16x = 39,021,288,124.53
  5. Step 5: Solve for x
    x = 39,021,288,124.53/279,922.16
  6. Step 6: Final answer
    x = 139,400.50

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1.5x scale

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.