Home / 206,485.59-285,002.49-141,100.89

Finding the Fourth Proportional to 206,485.59, 285,002.49 and 141,100.89

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Solution

The fourth proportional to 206,485.59, 285,002.49 and 141,100.89 is: 194,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,485.59 : 285,002.49 = 141,100.89 : x
  2. Step 2: Convert to fraction form
    206,485.59/285,002.49 = 141,100.89/x
  3. Step 3: Cross multiply
    206,485.59x = 285,002.49 × 141,100.89
  4. Step 4: Simplify right side
    206,485.59x = 40,214,104,991.22
  5. Step 5: Solve for x
    x = 40,214,104,991.22/206,485.59
  6. Step 6: Final answer
    x = 194,755.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.