Home / 141,575.62-195,364.29-84,211.78

Finding the Fourth Proportional to 141,575.62, 195,364.29 and 84,211.78

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Solution

The fourth proportional to 141,575.62, 195,364.29 and 84,211.78 is: 116,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,575.62 : 195,364.29 = 84,211.78 : x
  2. Step 2: Convert to fraction form
    141,575.62/195,364.29 = 84,211.78/x
  3. Step 3: Cross multiply
    141,575.62x = 195,364.29 × 84,211.78
  4. Step 4: Simplify right side
    141,575.62x = 16,451,974,609.34
  5. Step 5: Solve for x
    x = 16,451,974,609.34/141,575.62
  6. Step 6: Final answer
    x = 116,206.27

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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.