Home / 140,537.62-210,755.67-47,021.50

Finding the Fourth Proportional to 140,537.62, 210,755.67 and 47,021.50

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Solution

The fourth proportional to 140,537.62, 210,755.67 and 47,021.50 is: 70,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537.62 : 210,755.67 = 47,021.50 : x
  2. Step 2: Convert to fraction form
    140,537.62/210,755.67 = 47,021.50/x
  3. Step 3: Cross multiply
    140,537.62x = 210,755.67 × 47,021.50
  4. Step 4: Simplify right side
    140,537.62x = 9,910,047,736.91
  5. Step 5: Solve for x
    x = 9,910,047,736.91/140,537.62
  6. Step 6: Final answer
    x = 70,515.27

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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.