Home / 140,698.13-194,161.94-76,165.92

Finding the Fourth Proportional to 140,698.13, 194,161.94 and 76,165.92

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Solution

The fourth proportional to 140,698.13, 194,161.94 and 76,165.92 is: 105,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,698.13 : 194,161.94 = 76,165.92 : x
  2. Step 2: Convert to fraction form
    140,698.13/194,161.94 = 76,165.92/x
  3. Step 3: Cross multiply
    140,698.13x = 194,161.94 × 76,165.92
  4. Step 4: Simplify right side
    140,698.13x = 14,788,523,122.31
  5. Step 5: Solve for x
    x = 14,788,523,122.31/140,698.13
  6. Step 6: Final answer
    x = 105,108.17

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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.