Home / 168,047.08-231,902.25-91,567.19

Finding the Fourth Proportional to 168,047.08, 231,902.25 and 91,567.19

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Solution

The fourth proportional to 168,047.08, 231,902.25 and 91,567.19 is: 126,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,047.08 : 231,902.25 = 91,567.19 : x
  2. Step 2: Convert to fraction form
    168,047.08/231,902.25 = 91,567.19/x
  3. Step 3: Cross multiply
    168,047.08x = 231,902.25 × 91,567.19
  4. Step 4: Simplify right side
    168,047.08x = 21,234,637,623.56
  5. Step 5: Solve for x
    x = 21,234,637,623.56/168,047.08
  6. Step 6: Final answer
    x = 126,361.24

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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.