Home / 142,551.66-196,665.23-91,557.27

Finding the Fourth Proportional to 142,551.66, 196,665.23 and 91,557.27

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Solution

The fourth proportional to 142,551.66, 196,665.23 and 91,557.27 is: 126,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,551.66 : 196,665.23 = 91,557.27 : x
  2. Step 2: Convert to fraction form
    142,551.66/196,665.23 = 91,557.27/x
  3. Step 3: Cross multiply
    142,551.66x = 196,665.23 × 91,557.27
  4. Step 4: Simplify right side
    142,551.66x = 18,006,131,791.62
  5. Step 5: Solve for x
    x = 18,006,131,791.62/142,551.66
  6. Step 6: Final answer
    x = 126,313.02

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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.