Home / 193,711.89-267,354.14-161,395.25

Finding the Fourth Proportional to 193,711.89, 267,354.14 and 161,395.25

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Solution

The fourth proportional to 193,711.89, 267,354.14 and 161,395.25 is: 222,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,711.89 : 267,354.14 = 161,395.25 : x
  2. Step 2: Convert to fraction form
    193,711.89/267,354.14 = 161,395.25/x
  3. Step 3: Cross multiply
    193,711.89x = 267,354.14 × 161,395.25
  4. Step 4: Simplify right side
    193,711.89x = 43,149,688,263.84
  5. Step 5: Solve for x
    x = 43,149,688,263.84/193,711.89
  6. Step 6: Final answer
    x = 222,751.88

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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.