Home / 141,769.85-212,589.97-61,804.62

Finding the Fourth Proportional to 141,769.85, 212,589.97 and 61,804.62

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Solution

The fourth proportional to 141,769.85, 212,589.97 and 61,804.62 is: 92,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769.85 : 212,589.97 = 61,804.62 : x
  2. Step 2: Convert to fraction form
    141,769.85/212,589.97 = 61,804.62/x
  3. Step 3: Cross multiply
    141,769.85x = 212,589.97 × 61,804.62
  4. Step 4: Simplify right side
    141,769.85x = 13,139,042,157.15
  5. Step 5: Solve for x
    x = 13,139,042,157.15/141,769.85
  6. Step 6: Final answer
    x = 92,678.68

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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.