Home / 140,588.30-194,011.82-76,926.08

Finding the Fourth Proportional to 140,588.30, 194,011.82 and 76,926.08

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Solution

The fourth proportional to 140,588.30, 194,011.82 and 76,926.08 is: 106,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,588.30 : 194,011.82 = 76,926.08 : x
  2. Step 2: Convert to fraction form
    140,588.30/194,011.82 = 76,926.08/x
  3. Step 3: Cross multiply
    140,588.30x = 194,011.82 × 76,926.08
  4. Step 4: Simplify right side
    140,588.30x = 14,924,567,816.21
  5. Step 5: Solve for x
    x = 14,924,567,816.21/140,588.30
  6. Step 6: Final answer
    x = 106,157.97

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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.