Home / 167,837.49-231,620.76-103,343.95

Finding the Fourth Proportional to 167,837.49, 231,620.76 and 103,343.95

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Solution

The fourth proportional to 167,837.49, 231,620.76 and 103,343.95 is: 142,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,837.49 : 231,620.76 = 103,343.95 : x
  2. Step 2: Convert to fraction form
    167,837.49/231,620.76 = 103,343.95/x
  3. Step 3: Cross multiply
    167,837.49x = 231,620.76 × 103,343.95
  4. Step 4: Simplify right side
    167,837.49x = 23,936,604,240.40
  5. Step 5: Solve for x
    x = 23,936,604,240.40/167,837.49
  6. Step 6: Final answer
    x = 142,617.74

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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.