Home / 194,731.20-268,666.08-108,676.20

Finding the Fourth Proportional to 194,731.20, 268,666.08 and 108,676.20

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Solution

The fourth proportional to 194,731.20, 268,666.08 and 108,676.20 is: 149,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,731.20 : 268,666.08 = 108,676.20 : x
  2. Step 2: Convert to fraction form
    194,731.20/268,666.08 = 108,676.20/x
  3. Step 3: Cross multiply
    194,731.20x = 268,666.08 × 108,676.20
  4. Step 4: Simplify right side
    194,731.20x = 29,197,608,643.30
  5. Step 5: Solve for x
    x = 29,197,608,643.30/194,731.20
  6. Step 6: Final answer
    x = 149,938.01

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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.