Home / 354,265.05-531,381.42-114,390.02

Finding the Fourth Proportional to 354,265.05, 531,381.42 and 114,390.02

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Solution

The fourth proportional to 354,265.05, 531,381.42 and 114,390.02 is: 171,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,265.05 : 531,381.42 = 114,390.02 : x
  2. Step 2: Convert to fraction form
    354,265.05/531,381.42 = 114,390.02/x
  3. Step 3: Cross multiply
    354,265.05x = 531,381.42 × 114,390.02
  4. Step 4: Simplify right side
    354,265.05x = 60,784,728,604.52
  5. Step 5: Solve for x
    x = 60,784,728,604.52/354,265.05
  6. Step 6: Final answer
    x = 171,579.81

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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.