Home / 394,133.15-543,730.97-241,178.69

Finding the Fourth Proportional to 394,133.15, 543,730.97 and 241,178.69

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Solution

The fourth proportional to 394,133.15, 543,730.97 and 241,178.69 is: 332,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,133.15 : 543,730.97 = 241,178.69 : x
  2. Step 2: Convert to fraction form
    394,133.15/543,730.97 = 241,178.69/x
  3. Step 3: Cross multiply
    394,133.15x = 543,730.97 × 241,178.69
  4. Step 4: Simplify right side
    394,133.15x = 131,136,320,941.32
  5. Step 5: Solve for x
    x = 131,136,320,941.32/394,133.15
  6. Step 6: Final answer
    x = 332,720.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.