Home / 140,744.72-194,227.84-76,213.76

Finding the Fourth Proportional to 140,744.72, 194,227.84 and 76,213.76

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Solution

The fourth proportional to 140,744.72, 194,227.84 and 76,213.76 is: 105,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.72 : 194,227.84 = 76,213.76 : x
  2. Step 2: Convert to fraction form
    140,744.72/194,227.84 = 76,213.76/x
  3. Step 3: Cross multiply
    140,744.72x = 194,227.84 × 76,213.76
  4. Step 4: Simplify right side
    140,744.72x = 14,802,833,983.08
  5. Step 5: Solve for x
    x = 14,802,833,983.08/140,744.72
  6. Step 6: Final answer
    x = 105,175.06

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1.5x scale

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.