Home / 263,649.20-395,492.28-105,877.64

Finding the Fourth Proportional to 263,649.20, 395,492.28 and 105,877.64

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Solution

The fourth proportional to 263,649.20, 395,492.28 and 105,877.64 is: 158,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,649.20 : 395,492.28 = 105,877.64 : x
  2. Step 2: Convert to fraction form
    263,649.20/395,492.28 = 105,877.64/x
  3. Step 3: Cross multiply
    263,649.20x = 395,492.28 × 105,877.64
  4. Step 4: Simplify right side
    263,649.20x = 41,873,786,737.77
  5. Step 5: Solve for x
    x = 41,873,786,737.77/263,649.20
  6. Step 6: Final answer
    x = 158,823.87

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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.