Home / 141,131.76-211,653.88-47,615.64

Finding the Fourth Proportional to 141,131.76, 211,653.88 and 47,615.64

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Solution

The fourth proportional to 141,131.76, 211,653.88 and 47,615.64 is: 71,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,131.76 : 211,653.88 = 47,615.64 : x
  2. Step 2: Convert to fraction form
    141,131.76/211,653.88 = 47,615.64/x
  3. Step 3: Cross multiply
    141,131.76x = 211,653.88 × 47,615.64
  4. Step 4: Simplify right side
    141,131.76x = 10,078,034,954.68
  5. Step 5: Solve for x
    x = 10,078,034,954.68/141,131.76
  6. Step 6: Final answer
    x = 71,408.70

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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.