Home / 141,165.73-211,561.68-103,549.69

Finding the Fourth Proportional to 141,165.73, 211,561.68 and 103,549.69

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Solution

The fourth proportional to 141,165.73, 211,561.68 and 103,549.69 is: 155,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,165.73 : 211,561.68 = 103,549.69 : x
  2. Step 2: Convert to fraction form
    141,165.73/211,561.68 = 103,549.69/x
  3. Step 3: Cross multiply
    141,165.73x = 211,561.68 × 103,549.69
  4. Step 4: Simplify right side
    141,165.73x = 21,907,146,379.88
  5. Step 5: Solve for x
    x = 21,907,146,379.88/141,165.73
  6. Step 6: Final answer
    x = 155,187.43

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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.