Home / 140,617.92-194,051.04-76,954.88

Finding the Fourth Proportional to 140,617.92, 194,051.04 and 76,954.88

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Solution

The fourth proportional to 140,617.92, 194,051.04 and 76,954.88 is: 106,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617.92 : 194,051.04 = 76,954.88 : x
  2. Step 2: Convert to fraction form
    140,617.92/194,051.04 = 76,954.88/x
  3. Step 3: Cross multiply
    140,617.92x = 194,051.04 × 76,954.88
  4. Step 4: Simplify right side
    140,617.92x = 14,933,174,497.08
  5. Step 5: Solve for x
    x = 14,933,174,497.08/140,617.92
  6. Step 6: Final answer
    x = 106,196.81

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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.