Home / 168,044.10-231,899.81-91,567.68

Finding the Fourth Proportional to 168,044.10, 231,899.81 and 91,567.68

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Solution

The fourth proportional to 168,044.10, 231,899.81 and 91,567.68 is: 126,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,044.10 : 231,899.81 = 91,567.68 : x
  2. Step 2: Convert to fraction form
    168,044.10/231,899.81 = 91,567.68/x
  3. Step 3: Cross multiply
    168,044.10x = 231,899.81 × 91,567.68
  4. Step 4: Simplify right side
    168,044.10x = 21,234,527,136.30
  5. Step 5: Solve for x
    x = 21,234,527,136.30/168,044.10
  6. Step 6: Final answer
    x = 126,362.82

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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.