Home / 494,127.50-741,125.73-139,169.42

Finding the Fourth Proportional to 494,127.50, 741,125.73 and 139,169.42

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Solution

The fourth proportional to 494,127.50, 741,125.73 and 139,169.42 is: 208,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,127.50 : 741,125.73 = 139,169.42 : x
  2. Step 2: Convert to fraction form
    494,127.50/741,125.73 = 139,169.42/x
  3. Step 3: Cross multiply
    494,127.50x = 741,125.73 × 139,169.42
  4. Step 4: Simplify right side
    494,127.50x = 103,142,037,991.18
  5. Step 5: Solve for x
    x = 103,142,037,991.18/494,127.50
  6. Step 6: Final answer
    x = 208,735.68

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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.