Home / 140,588.35-194,011.12-76,057.41

Finding the Fourth Proportional to 140,588.35, 194,011.12 and 76,057.41

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Solution

The fourth proportional to 140,588.35, 194,011.12 and 76,057.41 is: 104,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,588.35 : 194,011.12 = 76,057.41 : x
  2. Step 2: Convert to fraction form
    140,588.35/194,011.12 = 76,057.41/x
  3. Step 3: Cross multiply
    140,588.35x = 194,011.12 × 76,057.41
  4. Step 4: Simplify right side
    140,588.35x = 14,755,983,925.68
  5. Step 5: Solve for x
    x = 14,755,983,925.68/140,588.35
  6. Step 6: Final answer
    x = 104,958.79

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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.