Home / 140,723.90-194,193.15-77,060.60

Finding the Fourth Proportional to 140,723.90, 194,193.15 and 77,060.60

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Solution

The fourth proportional to 140,723.90, 194,193.15 and 77,060.60 is: 106,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,723.90 : 194,193.15 = 77,060.60 : x
  2. Step 2: Convert to fraction form
    140,723.90/194,193.15 = 77,060.60/x
  3. Step 3: Cross multiply
    140,723.90x = 194,193.15 × 77,060.60
  4. Step 4: Simplify right side
    140,723.90x = 14,964,640,654.89
  5. Step 5: Solve for x
    x = 14,964,640,654.89/140,723.90
  6. Step 6: Final answer
    x = 106,340.43

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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.