Home / 142,554.94-196,732.65-82,134.88

Finding the Fourth Proportional to 142,554.94, 196,732.65 and 82,134.88

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Solution

The fourth proportional to 142,554.94, 196,732.65 and 82,134.88 is: 113,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,554.94 : 196,732.65 = 82,134.88 : x
  2. Step 2: Convert to fraction form
    142,554.94/196,732.65 = 82,134.88/x
  3. Step 3: Cross multiply
    142,554.94x = 196,732.65 × 82,134.88
  4. Step 4: Simplify right side
    142,554.94x = 16,158,612,599.83
  5. Step 5: Solve for x
    x = 16,158,612,599.83/142,554.94
  6. Step 6: Final answer
    x = 113,350.07

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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.