Home / 140,554.90-193,964.16-76,891.96

Finding the Fourth Proportional to 140,554.90, 193,964.16 and 76,891.96

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Solution

The fourth proportional to 140,554.90, 193,964.16 and 76,891.96 is: 106,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,554.90 : 193,964.16 = 76,891.96 : x
  2. Step 2: Convert to fraction form
    140,554.90/193,964.16 = 76,891.96/x
  3. Step 3: Cross multiply
    140,554.90x = 193,964.16 × 76,891.96
  4. Step 4: Simplify right side
    140,554.90x = 14,914,284,432.15
  5. Step 5: Solve for x
    x = 14,914,284,432.15/140,554.90
  6. Step 6: Final answer
    x = 106,110.03

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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.