Home / 141,056.20-211,578.30-47,561.80

Finding the Fourth Proportional to 141,056.20, 211,578.30 and 47,561.80

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Solution

The fourth proportional to 141,056.20, 211,578.30 and 47,561.80 is: 71,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,056.20 : 211,578.30 = 47,561.80 : x
  2. Step 2: Convert to fraction form
    141,056.20/211,578.30 = 47,561.80/x
  3. Step 3: Cross multiply
    141,056.20x = 211,578.30 × 47,561.80
  4. Step 4: Simplify right side
    141,056.20x = 10,063,044,788.94
  5. Step 5: Solve for x
    x = 10,063,044,788.94/141,056.20
  6. Step 6: Final answer
    x = 71,340.68

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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.