Home / 354,467.34-531,487.17-141,268.05

Finding the Fourth Proportional to 354,467.34, 531,487.17 and 141,268.05

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Solution

The fourth proportional to 354,467.34, 531,487.17 and 141,268.05 is: 211,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,467.34 : 531,487.17 = 141,268.05 : x
  2. Step 2: Convert to fraction form
    354,467.34/531,487.17 = 141,268.05/x
  3. Step 3: Cross multiply
    354,467.34x = 531,487.17 × 141,268.05
  4. Step 4: Simplify right side
    354,467.34x = 75,082,156,105.92
  5. Step 5: Solve for x
    x = 75,082,156,105.92/354,467.34
  6. Step 6: Final answer
    x = 211,816.85

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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.