Home / 167,890.96-231,689.73-92,439.46

Finding the Fourth Proportional to 167,890.96, 231,689.73 and 92,439.46

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Solution

The fourth proportional to 167,890.96, 231,689.73 and 92,439.46 is: 127,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,890.96 : 231,689.73 = 92,439.46 : x
  2. Step 2: Convert to fraction form
    167,890.96/231,689.73 = 92,439.46/x
  3. Step 3: Cross multiply
    167,890.96x = 231,689.73 × 92,439.46
  4. Step 4: Simplify right side
    167,890.96x = 21,417,273,528.75
  5. Step 5: Solve for x
    x = 21,417,273,528.75/167,890.96
  6. Step 6: Final answer
    x = 127,566.57

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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.