Home / 141,209.56-211,845.84-47,712.88

Finding the Fourth Proportional to 141,209.56, 211,845.84 and 47,712.88

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Solution

The fourth proportional to 141,209.56, 211,845.84 and 47,712.88 is: 71,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.56 : 211,845.84 = 47,712.88 : x
  2. Step 2: Convert to fraction form
    141,209.56/211,845.84 = 47,712.88/x
  3. Step 3: Cross multiply
    141,209.56x = 211,845.84 × 47,712.88
  4. Step 4: Simplify right side
    141,209.56x = 10,107,775,142.42
  5. Step 5: Solve for x
    x = 10,107,775,142.42/141,209.56
  6. Step 6: Final answer
    x = 71,579.96

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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.