Home / 263,098.55-394,582.14-103,206.98

Finding the Fourth Proportional to 263,098.55, 394,582.14 and 103,206.98

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Solution

The fourth proportional to 263,098.55, 394,582.14 and 103,206.98 is: 154,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,098.55 : 394,582.14 = 103,206.98 : x
  2. Step 2: Convert to fraction form
    263,098.55/394,582.14 = 103,206.98/x
  3. Step 3: Cross multiply
    263,098.55x = 394,582.14 × 103,206.98
  4. Step 4: Simplify right side
    263,098.55x = 40,723,629,058.43
  5. Step 5: Solve for x
    x = 40,723,629,058.43/263,098.55
  6. Step 6: Final answer
    x = 154,784.70

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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.