Home / 141,387.12-212,163.30-52,701.84

Finding the Fourth Proportional to 141,387.12, 212,163.30 and 52,701.84

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Solution

The fourth proportional to 141,387.12, 212,163.30 and 52,701.84 is: 79,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,387.12 : 212,163.30 = 52,701.84 : x
  2. Step 2: Convert to fraction form
    141,387.12/212,163.30 = 52,701.84/x
  3. Step 3: Cross multiply
    141,387.12x = 212,163.30 × 52,701.84
  4. Step 4: Simplify right side
    141,387.12x = 11,181,396,290.47
  5. Step 5: Solve for x
    x = 11,181,396,290.47/141,387.12
  6. Step 6: Final answer
    x = 79,083.56

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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.