Home / 279,813.15-419,565.83-191,166.75

Finding the Fourth Proportional to 279,813.15, 419,565.83 and 191,166.75

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Solution

The fourth proportional to 279,813.15, 419,565.83 and 191,166.75 is: 286,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,813.15 : 419,565.83 = 191,166.75 : x
  2. Step 2: Convert to fraction form
    279,813.15/419,565.83 = 191,166.75/x
  3. Step 3: Cross multiply
    279,813.15x = 419,565.83 × 191,166.75
  4. Step 4: Simplify right side
    279,813.15x = 80,207,035,176.32
  5. Step 5: Solve for x
    x = 80,207,035,176.32/279,813.15
  6. Step 6: Final answer
    x = 286,644.98

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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.