Home / 141,412.46-195,121.20-79,324.94

Finding the Fourth Proportional to 141,412.46, 195,121.20 and 79,324.94

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Solution

The fourth proportional to 141,412.46, 195,121.20 and 79,324.94 is: 109,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,412.46 : 195,121.20 = 79,324.94 : x
  2. Step 2: Convert to fraction form
    141,412.46/195,121.20 = 79,324.94/x
  3. Step 3: Cross multiply
    141,412.46x = 195,121.20 × 79,324.94
  4. Step 4: Simplify right side
    141,412.46x = 15,477,977,482.73
  5. Step 5: Solve for x
    x = 15,477,977,482.73/141,412.46
  6. Step 6: Final answer
    x = 109,452.71

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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.