Home / 140,622.52-194,059.40-76,964.41

Finding the Fourth Proportional to 140,622.52, 194,059.40 and 76,964.41

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Solution

The fourth proportional to 140,622.52, 194,059.40 and 76,964.41 is: 106,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.52 : 194,059.40 = 76,964.41 : x
  2. Step 2: Convert to fraction form
    140,622.52/194,059.40 = 76,964.41/x
  3. Step 3: Cross multiply
    140,622.52x = 194,059.40 × 76,964.41
  4. Step 4: Simplify right side
    140,622.52x = 14,935,667,225.95
  5. Step 5: Solve for x
    x = 14,935,667,225.95/140,622.52
  6. Step 6: Final answer
    x = 106,211.06

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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.