Home / 167,760.71-231,433.49-99,739.10

Finding the Fourth Proportional to 167,760.71, 231,433.49 and 99,739.10

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Solution

The fourth proportional to 167,760.71, 231,433.49 and 99,739.10 is: 137,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,760.71 : 231,433.49 = 99,739.10 : x
  2. Step 2: Convert to fraction form
    167,760.71/231,433.49 = 99,739.10/x
  3. Step 3: Cross multiply
    167,760.71x = 231,433.49 × 99,739.10
  4. Step 4: Simplify right side
    167,760.71x = 23,082,966,346.60
  5. Step 5: Solve for x
    x = 23,082,966,346.60/167,760.71
  6. Step 6: Final answer
    x = 137,594.60

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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.