Home / 141,820.56-212,767.68-53,081.04

Finding the Fourth Proportional to 141,820.56, 212,767.68 and 53,081.04

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Solution

The fourth proportional to 141,820.56, 212,767.68 and 53,081.04 is: 79,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,820.56 : 212,767.68 = 53,081.04 : x
  2. Step 2: Convert to fraction form
    141,820.56/212,767.68 = 53,081.04/x
  3. Step 3: Cross multiply
    141,820.56x = 212,767.68 × 53,081.04
  4. Step 4: Simplify right side
    141,820.56x = 11,293,929,732.79
  5. Step 5: Solve for x
    x = 11,293,929,732.79/141,820.56
  6. Step 6: Final answer
    x = 79,635.35

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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.