Home / 167,591.10-231,350.26-99,630.07

Finding the Fourth Proportional to 167,591.10, 231,350.26 and 99,630.07

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Solution

The fourth proportional to 167,591.10, 231,350.26 and 99,630.07 is: 137,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,591.10 : 231,350.26 = 99,630.07 : x
  2. Step 2: Convert to fraction form
    167,591.10/231,350.26 = 99,630.07/x
  3. Step 3: Cross multiply
    167,591.10x = 231,350.26 × 99,630.07
  4. Step 4: Simplify right side
    167,591.10x = 23,049,443,012.04
  5. Step 5: Solve for x
    x = 23,049,443,012.04/167,591.10
  6. Step 6: Final answer
    x = 137,533.82

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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.