Home / 140,645.56-194,052.49-80,194.16

Finding the Fourth Proportional to 140,645.56, 194,052.49 and 80,194.16

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Solution

The fourth proportional to 140,645.56, 194,052.49 and 80,194.16 is: 110,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,645.56 : 194,052.49 = 80,194.16 : x
  2. Step 2: Convert to fraction form
    140,645.56/194,052.49 = 80,194.16/x
  3. Step 3: Cross multiply
    140,645.56x = 194,052.49 × 80,194.16
  4. Step 4: Simplify right side
    140,645.56x = 15,561,875,260.71
  5. Step 5: Solve for x
    x = 15,561,875,260.71/140,645.56
  6. Step 6: Final answer
    x = 110,646.05

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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.