Home / 168,017.75-231,864.50-92,567.87

Finding the Fourth Proportional to 168,017.75, 231,864.50 and 92,567.87

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Solution

The fourth proportional to 168,017.75, 231,864.50 and 92,567.87 is: 127,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,017.75 : 231,864.50 = 92,567.87 : x
  2. Step 2: Convert to fraction form
    168,017.75/231,864.50 = 92,567.87/x
  3. Step 3: Cross multiply
    168,017.75x = 231,864.50 × 92,567.87
  4. Step 4: Simplify right side
    168,017.75x = 21,463,202,430.78
  5. Step 5: Solve for x
    x = 21,463,202,430.78/168,017.75
  6. Step 6: Final answer
    x = 127,743.66

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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.