Home / 141,861.20-212,791.80-62,891.60

Finding the Fourth Proportional to 141,861.20, 212,791.80 and 62,891.60

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Solution

The fourth proportional to 141,861.20, 212,791.80 and 62,891.60 is: 94,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,861.20 : 212,791.80 = 62,891.60 : x
  2. Step 2: Convert to fraction form
    141,861.20/212,791.80 = 62,891.60/x
  3. Step 3: Cross multiply
    141,861.20x = 212,791.80 × 62,891.60
  4. Step 4: Simplify right side
    141,861.20x = 13,382,816,768.88
  5. Step 5: Solve for x
    x = 13,382,816,768.88/141,861.20
  6. Step 6: Final answer
    x = 94,337.40

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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.