Home / 133,414.29-199,923.39-74,168.46

Finding the Fourth Proportional to 133,414.29, 199,923.39 and 74,168.46

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Solution

The fourth proportional to 133,414.29, 199,923.39 and 74,168.46 is: 111,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,414.29 : 199,923.39 = 74,168.46 : x
  2. Step 2: Convert to fraction form
    133,414.29/199,923.39 = 74,168.46/x
  3. Step 3: Cross multiply
    133,414.29x = 199,923.39 × 74,168.46
  4. Step 4: Simplify right side
    133,414.29x = 14,828,009,954.28
  5. Step 5: Solve for x
    x = 14,828,009,954.28/133,414.29
  6. Step 6: Final answer
    x = 111,142.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.