Home / 141,942.21-212,876.97-42,079.06

Finding the Fourth Proportional to 141,942.21, 212,876.97 and 42,079.06

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Solution

The fourth proportional to 141,942.21, 212,876.97 and 42,079.06 is: 63,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,942.21 : 212,876.97 = 42,079.06 : x
  2. Step 2: Convert to fraction form
    141,942.21/212,876.97 = 42,079.06/x
  3. Step 3: Cross multiply
    141,942.21x = 212,876.97 × 42,079.06
  4. Step 4: Simplify right side
    141,942.21x = 8,957,662,793.25
  5. Step 5: Solve for x
    x = 8,957,662,793.25/141,942.21
  6. Step 6: Final answer
    x = 63,107.82

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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.