Home / 168,019.22-231,846.50-95,421.65

Finding the Fourth Proportional to 168,019.22, 231,846.50 and 95,421.65

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Solution

The fourth proportional to 168,019.22, 231,846.50 and 95,421.65 is: 131,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,019.22 : 231,846.50 = 95,421.65 : x
  2. Step 2: Convert to fraction form
    168,019.22/231,846.50 = 95,421.65/x
  3. Step 3: Cross multiply
    168,019.22x = 231,846.50 × 95,421.65
  4. Step 4: Simplify right side
    168,019.22x = 22,123,174,656.05
  5. Step 5: Solve for x
    x = 22,123,174,656.05/168,019.22
  6. Step 6: Final answer
    x = 131,670.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.