Home / 140,634.70-194,068.37-76,960.19

Finding the Fourth Proportional to 140,634.70, 194,068.37 and 76,960.19

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Solution

The fourth proportional to 140,634.70, 194,068.37 and 76,960.19 is: 106,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634.70 : 194,068.37 = 76,960.19 : x
  2. Step 2: Convert to fraction form
    140,634.70/194,068.37 = 76,960.19/x
  3. Step 3: Cross multiply
    140,634.70x = 194,068.37 × 76,960.19
  4. Step 4: Simplify right side
    140,634.70x = 14,935,539,305.76
  5. Step 5: Solve for x
    x = 14,935,539,305.76/140,634.70
  6. Step 6: Final answer
    x = 106,200.96

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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.