Home / 191,997.27-264,956.40-107,114.36

Finding the Fourth Proportional to 191,997.27, 264,956.40 and 107,114.36

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Solution

The fourth proportional to 191,997.27, 264,956.40 and 107,114.36 is: 147,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,997.27 : 264,956.40 = 107,114.36 : x
  2. Step 2: Convert to fraction form
    191,997.27/264,956.40 = 107,114.36/x
  3. Step 3: Cross multiply
    191,997.27x = 264,956.40 × 107,114.36
  4. Step 4: Simplify right side
    191,997.27x = 28,380,633,889.12
  5. Step 5: Solve for x
    x = 28,380,633,889.12/191,997.27
  6. Step 6: Final answer
    x = 147,817.90

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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.