Home / 141,173.12-211,629.70-61,160.80

Finding the Fourth Proportional to 141,173.12, 211,629.70 and 61,160.80

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Solution

The fourth proportional to 141,173.12, 211,629.70 and 61,160.80 is: 91,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,173.12 : 211,629.70 = 61,160.80 : x
  2. Step 2: Convert to fraction form
    141,173.12/211,629.70 = 61,160.80/x
  3. Step 3: Cross multiply
    141,173.12x = 211,629.70 × 61,160.80
  4. Step 4: Simplify right side
    141,173.12x = 12,943,441,755.76
  5. Step 5: Solve for x
    x = 12,943,441,755.76/141,173.12
  6. Step 6: Final answer
    x = 91,684.89

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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.