Home / 142,535.97-196,473.06-112,273.38

Finding the Fourth Proportional to 142,535.97, 196,473.06 and 112,273.38

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Solution

The fourth proportional to 142,535.97, 196,473.06 and 112,273.38 is: 154,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,535.97 : 196,473.06 = 112,273.38 : x
  2. Step 2: Convert to fraction form
    142,535.97/196,473.06 = 112,273.38/x
  3. Step 3: Cross multiply
    142,535.97x = 196,473.06 × 112,273.38
  4. Step 4: Simplify right side
    142,535.97x = 22,058,694,525.14
  5. Step 5: Solve for x
    x = 22,058,694,525.14/142,535.97
  6. Step 6: Final answer
    x = 154,758.79

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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.