Home / 516,936.15-775,404.57-161,977.85

Finding the Fourth Proportional to 516,936.15, 775,404.57 and 161,977.85

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Solution

The fourth proportional to 516,936.15, 775,404.57 and 161,977.85 is: 242,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,936.15 : 775,404.57 = 161,977.85 : x
  2. Step 2: Convert to fraction form
    516,936.15/775,404.57 = 161,977.85/x
  3. Step 3: Cross multiply
    516,936.15x = 775,404.57 × 161,977.85
  4. Step 4: Simplify right side
    516,936.15x = 125,598,366,492.20
  5. Step 5: Solve for x
    x = 125,598,366,492.20/516,936.15
  6. Step 6: Final answer
    x = 242,966.88

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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.