Home / 141,984.91-213,108.63-71,913.43

Finding the Fourth Proportional to 141,984.91, 213,108.63 and 71,913.43

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Solution

The fourth proportional to 141,984.91, 213,108.63 and 71,913.43 is: 107,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,984.91 : 213,108.63 = 71,913.43 : x
  2. Step 2: Convert to fraction form
    141,984.91/213,108.63 = 71,913.43/x
  3. Step 3: Cross multiply
    141,984.91x = 213,108.63 × 71,913.43
  4. Step 4: Simplify right side
    141,984.91x = 15,325,372,545.90
  5. Step 5: Solve for x
    x = 15,325,372,545.90/141,984.91
  6. Step 6: Final answer
    x = 107,936.63

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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.