Home / 198,400.14-297,347.13-92,986.86

Finding the Fourth Proportional to 198,400.14, 297,347.13 and 92,986.86

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Solution

The fourth proportional to 198,400.14, 297,347.13 and 92,986.86 is: 139,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,400.14 : 297,347.13 = 92,986.86 : x
  2. Step 2: Convert to fraction form
    198,400.14/297,347.13 = 92,986.86/x
  3. Step 3: Cross multiply
    198,400.14x = 297,347.13 × 92,986.86
  4. Step 4: Simplify right side
    198,400.14x = 27,649,375,948.71
  5. Step 5: Solve for x
    x = 27,649,375,948.71/198,400.14
  6. Step 6: Final answer
    x = 139,361.68

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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.