Home / 141,835.90-212,559.45-100,234.30

Finding the Fourth Proportional to 141,835.90, 212,559.45 and 100,234.30

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Solution

The fourth proportional to 141,835.90, 212,559.45 and 100,234.30 is: 150,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,835.90 : 212,559.45 = 100,234.30 : x
  2. Step 2: Convert to fraction form
    141,835.90/212,559.45 = 100,234.30/x
  3. Step 3: Cross multiply
    141,835.90x = 212,559.45 × 100,234.30
  4. Step 4: Simplify right side
    141,835.90x = 21,305,747,679.14
  5. Step 5: Solve for x
    x = 21,305,747,679.14/141,835.90
  6. Step 6: Final answer
    x = 150,214.07

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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.