Home / 142,504.15-196,598.57-82,042.36

Finding the Fourth Proportional to 142,504.15, 196,598.57 and 82,042.36

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Solution

The fourth proportional to 142,504.15, 196,598.57 and 82,042.36 is: 113,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,504.15 : 196,598.57 = 82,042.36 : x
  2. Step 2: Convert to fraction form
    142,504.15/196,598.57 = 82,042.36/x
  3. Step 3: Cross multiply
    142,504.15x = 196,598.57 × 82,042.36
  4. Step 4: Simplify right side
    142,504.15x = 16,129,410,278.61
  5. Step 5: Solve for x
    x = 16,129,410,278.61/142,504.15
  6. Step 6: Final answer
    x = 113,185.55

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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.